Using NC(=O)c1ccc2ccn(C3CCNCC3)c2c1, COc1cc2c(cc1CC=O)NC(=O)CC2 to produce COc1cc2c(cc1CCN1CCC(n3ccc4ccc(C(N)=O)cc43)CC1)NC(=O)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.