You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (9R,10S)-9,10-dihydroxy-5-methyl-1'-(4-methylbenzoyl)spiro[2-oxa-5-azabicyclo[10.4.0]hexadeca-1(16),12,14-triene-7,4'-piperidine]-4-one ?
user
C27H34N2O5
assistant