You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-[(1E)-4-chloro-1-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]hexa-1,5-dien-3-yl]-2-methylhydrazinyl]-3,3,3-trifluoropropan-1-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H20Cl3F6N3O2
assistant