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 4-[(2S,4S)-4-(cyclobutylamino)-1-[(5-methoxy-7-methyl-1H-indol-4-yl)methyl]piperidin-2-yl]benzoic acid is given. What is its corresponding molecular formula?
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C27H33N3O3
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