Using COc1ccc(CN2CC(C)(C(=O)O)Oc3ccc(OC(F)(F)F)cc32)cc1 to produce CC1(C(=O)O)CNc2cc(OC(F)(F)F)ccc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.