You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[1-(4-chlorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-1,3-bis(2-methylphenyl)-2-sulfanylidene-1,3-diazinane-4,6-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H26ClN3O2S
assistant