You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name methyl N-[2-(thiophene-2-carbonylamino)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carbonyl]carbamate into its molecular formula.
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C17H18N2O4S2
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