You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[1-[[(3-oxo-1H-2-benzofuran-1-yl)oxycarbonylamino]methyl]cyclohexyl]acetic acid;2-[1-[[[(1R)-3-oxocyclohexyl]oxycarbonylamino]methyl]cyclohexyl]acetic acid;2-[1-[[(7-oxooxepan-2-yl)oxycarbonylamino]methyl]cyclohexyl]acetic acid by IUPAC nomenclature, provide its molecular formula.
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C50H71N3O17
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