Using CC(C)(CCl)C(=O)NC1CCN(c2cccc(OC(F)(F)F)c2)C1=O to produce CC1(C)CN(C2CCN(c3cccc(OC(F)(F)F)c3)C2=O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.