You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 6-[[2-[(6-oxobenzo[c][2,1]benzoxaphosphinin-6-yl)sulfanylmethyl]phenyl]methylsulfanyl]benzo[c][2,1]benzoxaphosphinine 6-oxide using the IUPAC nomenclature.
user
C32H24O4P2S2
assistant