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What is the molecular formula of the molecule identified by tert-butyl 1-(8-methoxycarbonyl-3,5-dihydro-2H-1,4-benzoxazepine-4-carbonyl)spiro[1H-2-benzofuran-3,4'-piperidine]-1'-carboxylate;ethane ?
user
C31H40N2O7
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