You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule methyl 11-amino-9-chloro-14-[(2-chlorophenyl)methylidene]-13-oxo-15-thia-8,12-diazatetracyclo[8.7.0.02,7.012,16]heptadeca-2,4,6,8,10,16-hexaene-17-carboxylate .
user
C23H15Cl2N3O3S
assistant