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 14-acetyl-3-benzyl-6-fluoro-8,19-dimethyl-10-oxa-24-thia-3,19-diazapentacyclo[19.2.1.04,9.011,16.017,22]tetracosa-1(23),4(9),5,7,11(16),12,14,17,21-nonaene-2,20-dione .
user
C31H23FN2O4S
assistant