Using CCOC(=O)N=C(Nc1ccc(OC)c(OC)c1)n1cc(C(=O)OCC)cn1 to produce CCOC(=O)c1cnn(-c2nc3cc(OC)c(OC)cc3c(=O)[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.