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-[4-[4-chloro-2-methyl-3-(3-methylbut-2-en-2-yl)benzoyl]-2-methylpyrazol-3-yl]oxy-1-phenylethanone .
user
C25H25ClN2O3
assistant