Using CC(C)(C)OC(=O)N[C@H]1CC[C@H](CC=O)CC1, O=C(c1ccc(F)cc1)C1(O)CCNCC1 to produce CC(C)(C)OC(=O)NC1CCC(CCN2CCC(O)(C(=O)c3ccc(F)cc3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.