Using CCOC(=O)N1C2CCC1CC(N1CCC(C(=O)O)CC1)C2, CC1(N)CCC1 to produce CCOC(=O)N1C2CCC1CC(N1CCC(C(=O)NC3(C)CCC3)CC1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.