You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (6S,9R)-9-(4-fluorophenyl)-6-(4-hydroxy-3,5-dimethoxyphenyl)-5,6,8,9,10,11-hexahydrobenzo[b][1,4]benzodiazepin-7-one into its molecular formula.
user
C27H25FN2O4
assistant