You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [9-(4-methoxybenzoyl)-3-[(2-phenylmethoxyphenyl)methyl]-3,9-diazaspiro[5.5]undecan-5-yl] 2,2,2-trifluoroacetate by IUPAC nomenclature, provide its molecular formula.
user
C33H35F3N2O5
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