Using CS(=O)(=O)Nc1ccc(NCC(=O)O)cc1, c1ccc(OC2CCNCC2)cc1 to produce CS(=O)(=O)Nc1ccc(NCC(=O)N2CCC(Oc3ccccc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.