Using FC1(F)CCNC1, CC(C)(C)OC(=O)N1CCC(C=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(CN2CCC(F)(F)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.