You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3S,5S)-10-(2-methoxyethyl)-11-oxo-1-(2-phenoxyacetyl)-2-phenyl-1,10-diazaspiro[4.6]undecane-3-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H32N2O6
assistant