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 N-[4-[(1R)-2-but-3-enyl-1,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl]phenyl]-1-prop-2-enylazetidin-3-amine is given. What is its corresponding molecular formula?
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C27H32N4
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