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 methyl (1R,14S,15S)-3-(benzenesulfonyl)-14-phenyl-16-oxa-3,13-diazatetracyclo[11.2.1.02,10.04,9]hexadeca-2(10),4,6,8-tetraene-15-carboxylate .
user
C27H24N2O5S
assistant