You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-chloro-11-(4-fluorophenyl)-14-methylsulfanyl-9-phenyl-8-oxa-12,13,15,17-tetrazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2,4,6,13,15-hexaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H18ClFN4OS
assistant