You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-oxo-2-[2-(thiophen-2-ylmethylsulfanyl)ethylamino]ethyl] 2-chloro-5-methylsulfanylbenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18ClNO3S3
assistant