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 N-[2-amino-1-(3-bromophenyl)-2-oxoethyl]-3,4,6-trimethylthieno[2,3-b]pyridine-2-carboxamide ?
user
C19H18BrN3O2S
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