Using Oc1ccc(C2CCN(C3=Nn4c(nnc4C(F)(F)F)CC3)CC2)cc1, CC(=O)CCl to produce CC(=O)COc1ccc(C2CCN(C3=Nn4c(nnc4C(F)(F)F)CC3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.