You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
16-chloro-6-methyl-10-oxo-18-thia-2,9-diazatetracyclo[9.7.0.03,9.012,17]octadeca-1(11),2,12(17),15-tetraene-15-carbaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H17ClN2O2S
assistant