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 3-chloro-N-[2-(3-methoxyphenyl)-3,6-dimethylthieno[2,3-b]pyridin-4-yl]benzenesulfonamide .
user
C22H19ClN2O3S2
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