Using O=C(Nc1cccnn1)Oc1ccccc1, Cc1cccc(Oc2cccc(C=C3CCNCC3)c2)n1 to produce Cc1cccc(Oc2cccc(C=C3CCN(C(=O)Nc4cccnn4)CC3)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.