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 (10R,11S,12S,14R,26S)-10,11,12,14-tetrahydroxy-19,26-dimethyl-1-azacyclohexacosa-3,5,7,15,17,19,21,23-octaen-2-one ?
user
C27H37NO5
assistant