You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4S,5S)-9-[1-[(4-phenylphenyl)methyl]tetrazol-5-yl]-1-oxa-9-azaspiro[5.5]undecane-4,5-diol .
user
C23H27N5O3
assistant