You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named ethyl N-[2-[[3-[2-(ethoxycarbonylamino)ethylcarbamoyl]cyclohexanecarbonyl]amino]ethyl]carbamate is given. What is its corresponding molecular formula?
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C18H32N4O6
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