You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(5-chlorothiophen-2-yl)-1-(2-methoxyphenyl)-3-(2,2,6,6-tetramethyloxan-4-yl)pyrazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27ClN2O2S
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