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 [(4aR,8aR)-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalen-1-yl] N-[(2R)-3-(1H-indol-3-yl)-2-methyl-1-oxo-1-(2-phenylethylamino)propan-2-yl]carbamate is given. What is its corresponding molecular formula?
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C31H39N3O3
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