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-[[4-(2,2-dichloro-1,1-difluoroethoxy)phenyl]methoxy]-1-(2,4-dichlorophenyl)-2-imidazol-1-ylethyl] nitrate .
user
C20H15Cl4F2N3O5
assistant