You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-chloro-N-[(1R,2S)-2-[[4-(2-oxopyridin-1-yl)benzoyl]amino]cyclohexyl]thiophene-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H22ClN3O3S
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