You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R)-9-(4-chlorophenyl)-14-(4-nitrophenyl)-3,7-dithia-5,14-diazapentacyclo[9.5.1.02,10.04,8.012,16]heptadec-4(8)-ene-6,13,15-trione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H18ClN3O5S2
assistant