Using COc1cc(C)c(C(O)c2c(C(F)(F)F)ccnc2Cl)cc1OCc1ccccc1 to produce COc1cc(C)c(C(=O)c2c(C(F)(F)F)ccnc2Cl)cc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.