You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-9,9-dimethyl-5-oxa-2-thia-8,10-diazatricyclo[6.3.1.04,12]dodeca-1(12),3-dien-11-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H15ClN4O2S
assistant