Using S=C=Nc1c(Cl)cccc1Cl, CCOC(=O)c1ccc(N)c(N)c1 to produce O=C(O)c1ccc2nc(Nc3c(Cl)cccc3Cl)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.