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 butyl N-[5-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-2H-1,2-oxazol-3-yl]-2-methylphenyl]carbamate .
user
C22H21Cl2F3N2O3
assistant