You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[(4S)-2-chloro-4-[2-(3,5-dimethyl-1,2-oxazol-4-yl)thiophen-3-yl]-5,7-dihydro-4H-thieno[2,3-c]pyridin-6-yl]prop-2-en-1-one by IUPAC nomenclature, provide its molecular formula.
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C19H17ClN2O2S2
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