You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[5-(4-chlorobenzoyl)imino-2-[(4-chlorophenyl)methyl]-3-oxo-1,2,4-thiadiazolidin-4-yl]methyl dihydrogen phosphate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H14Cl2N3O6PS
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