Using c1ccc(C2CCNC2)cc1, COc1cccc(-c2oncc2C(=O)O)c1 to produce COc1cccc(-c2oncc2C(=O)N2CCC(c3ccccc3)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.