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 4-(4-acetamido-3,5-diazatricyclo[9.4.0.02,7]pentadeca-1(15),2(7),3,5,11,13-hexaen-6-yl)piperazine-1-carboxylic acid ?
user
C20H23N5O3
assistant