You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[(5-chlorothiophen-2-yl)methyl-prop-2-enylamino]-N-[2-(4,6-dimethylpyrimidin-2-yl)-5-methylpyrazol-3-yl]acetamide .
user
C20H23ClN6OS
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