d:\>net use \\BLAH\NESTED\OBFUSCATED.WITH SPECIAL_CHARS\SHARE\NAME\DOWN\DEEP
Local name
Remote name       \\BLAH\NESTED\OBFUSCATED.WITH SPECIAL_CHARS\SHARE\NAME\DOWN\DEEP
Resource type     Disk
Status            Disconnected
# Opens           0
# Connections     4
The command completed successfully.

d:\>ROBOCOPY "C:\Users\test\AppData\Local\Temp" "\\BLAH\NESTED\OBFUSCATED.WITH SPECIAL_CHARS\SHARE\NAME\DOWN\DEEP" crap.csv
/B

-------------------------------------------------------------------------------
   ROBOCOPY     ::     Robust File Copy for Windows

-------------------------------------------------------------------------------

  Started : Thu Oct 11 11:51:58 2018

2018/10/11 11:51:58 ERROR 5 (0x00000005) Getting File System Type of Destination
 \\BLAH\NESTED\OBFUSCATED.WITH SPECIAL_CHARS\SHARE\NAME\DOWN\DEEP\
Access is denied.

   Source : C:\Users\test\AppData\Local\Temp\
     Dest - \\BLAH\NESTED\OBFUSCATED.WITH SPECIAL_CHARS\SHARE\NAME\DOWN\DEEP\

    Files : crap.csv

  Options : /COPY:DAT /B /R:1000000 /W:30

------------------------------------------------------------------------------

                           1    C:\Users\test\AppData\Local\Temp
\
100%        Newer                  2.2 m        crap.csv

------------------------------------------------------------------------------

               Total    Copied   Skipped  Mismatch    FAILED    Extras
    Dirs :         1         0         1         0         0         0
   Files :         1         1         0         0         0         0
   Bytes :    2.23 m    2.23 m         0         0         0         0
   Times :   0:00:01   0:00:01                       0:00:00   0:00:00


   Speed :             1469544 Bytes/sec.
   Speed :              84.088 MegaBytes/min.

   Ended : Thu Oct 11 11:52:00 2018