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 1-[7-[6-cyclopropyl-7-(5-methyl-1H-indazol-4-yl)-2-[(7-propyl-7-azaspiro[3.5]nonan-2-yl)oxy]-8-(2,2,2-trifluoroethoxy)quinazolin-4-yl]-2,7-diazaspiro[3.5]nonan-2-yl]prop-2-en-1-one .
user
C42H50F3N7O3
assistant