You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1R,4S,6S,7S)-4-[[(1R,2S)-2-thiophen-3-ylcyclopropyl]carbamoyl]-3-oxabicyclo[4.1.0]heptane-7-carboxylic acid into molecular formula.
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C15H17NO4S
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