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 (2Z)-2-benzylidene-N-[3-(4-benzylpiperazin-1-yl)propyl]-3-oxo-4a,5,6,7,8,8a-hexahydro-4H-benzo[b][1,4]oxazine-6-carboxamide .
user
C30H38N4O3
assistant