Getting Trouble with XStack Filter to create mosaic view

[LexarWtfun]

-filter_complex
"[0]setpts=PTS-STARTPTS,crop=iw:360[topleft];
[1]setpts=PTS-STARTPTS,crop=iw:360[topright];
[2]setpts=PTS-STARTPTS,crop=iw:360[bottomleft];
[3]setpts=PTS-STARTPTS,crop=iw:360[bottomright];
[topleft][topright][bottomleft][bottomright]xstack=inputs=4:layout=0_0|w0_0|0_h0|w0_h0"

[Wessiez]

I also have a problem with this piece of code.
The " after the (-filter_complex} gives a {SyntaxError: invalid syntax}