You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-chloro-3,5-dimethylpyrazol-1-yl)-N-cyclopropyl-N-[(5-methylthiophen-2-yl)methyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H20ClN3OS
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