Using Nc1cc(Oc2cccnc2)c(Oc2cccnc2)cc1N, O=C(O)c1cnccn1 to produce c1cncc(Oc2cc3nc(-c4cnccn4)[nH]c3cc2Oc2cccnc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.