Using O=C(O)c1ccncc1, COc1cc(OC)cc(N2CCNCC2)c1 to produce COc1cc(OC)cc(N2CCN(C(=O)c3ccncc3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.