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Name the molecular formula for the molecule established as methyl 7-chloro-5'-[[(1R,2R)-2-(methylaminomethyl)cyclobutyl]methyl]spiro[2,3-dihydro-1H-naphthalene-4,3'-2,4-dihydro-1,5-benzoxazepine]-7'-carboxylate using the IUPAC nomenclature.
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C27H33ClN2O3
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