You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(6-fluoropyridin-3-yl)methyl]-4-[[2-oxo-8-[[4-(trifluoromethyl)phenyl]methyl]-1-oxa-3,8-diazaspiro[4.5]decan-3-yl]methyl]cyclohexane-1-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C29H34F4N4O3
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