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 (10-bromo-11-phenyl-1,8,12-triazatricyclo[7.3.0.02,6]dodeca-3,9,11-trien-7-yl) ethyl carbonate .
user
C18H18BrN3O3
assistant