You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[[(10R)-10-hydroxy-7-[(2R)-4,4,4-trifluoro-2-methylbutanoyl]-7-azaspiro[4.5]decan-10-yl]methyl]-4-phenyl-5-(piperazine-1-carbonyl)pyridin-2-one by IUPAC nomenclature, provide its molecular formula.
user
C31H39F3N4O4
assistant