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 5-acetyl-2,4-dimethyl-N-(2-methyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-1H-pyrrole-3-carboxamide .
user
C15H18N4O2S
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