You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 6-(difluoromethyl)-4-(1,3-dimethylpyrazol-4-yl)-3-[[2-[3-methyl-5-(trifluoromethyl)pyrazol-1-yl]acetyl]amino]thieno[2,3-b]pyridine-2-carboxamide is given. What is its corresponding molecular formula?
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C21H18F5N7O2S
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