You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6-chloro-1-piperidin-3-yl-4H-thiochromeno[4,3-c]pyrazol-3-yl)-morpholin-4-ylmethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H23ClN4O2S
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