Using COC(=O)c1ccccc1C(=O)c1ccc(N)c(N)c1, COC(=O)N=C=S to produce COC(=O)Nc1nc2cc(C(=O)c3ccccc3C(=O)OC)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.