You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[(5R)-3-(3,4-dichlorophenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]-3-(2-methoxyphenyl)-1-[[4-(trifluoromethyl)phenyl]methyl]urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H22Cl2F3N3O3
assistant