You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(5-chlorothiophen-2-yl)sulfonyl-N-[6-fluoro-3-(2-methoxyethyl)-1,3-benzothiazol-2-ylidene]piperidine-3-carboxamide ?
user
C20H21ClFN3O4S3
assistant