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 2-(6-bromo-1-oxospiro[3H-isoquinoline-4,1'-cyclopropane]-2-yl)-N-[5-(trifluoromethyl)pyrimidin-2-yl]acetamide .
user
C18H14BrF3N4O2
assistant