Using N=C(N)N, CCOC(=O)C1=Cc2cccc(C(=O)OCC)c2OCC1 to produce N=C(N)NC(=O)C1=Cc2cccc(C(=O)NC(=N)N)c2OCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.