Using CC(C)(C)OC(=O)N[C@H]1CC[C@H](CC=O)CC1, O=C(c1ccc(F)cc1)C1CCNCC1 to produce CC(C)(C)OC(=O)N[C@H]1CC[C@H](CCN2CCC(C(=O)c3ccc(F)cc3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.