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 (6S)-2,3,9,9-tetramethyl-6-(6-methyl-4-oxochromen-3-yl)-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one .
user
C27H28N2O3
assistant