You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [4-[4-[(3,4-dimethylphenoxy)methyl]thiophene-2-carbonyl]piperazin-1-yl]-thiophen-2-ylmethanone into its molecular formula.
user
C23H24N2O3S2
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