You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-chloro-2-[5-[3-[(2,2-dichloroacetyl)amino]phenyl]-4,5-dihydro-1,2-oxazol-3-yl]-N,N-dimethylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H18Cl3N3O3
assistant