You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name methyl N-[(1S,5S,8S)-8-[(5-chlorothiophen-2-yl)sulfonylamino]-1-bicyclo[3.2.1]octanyl]-N-(3-imidazol-1-ylpropyl)carbamate into its molecular formula.
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C20H27ClN4O4S2
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