Using CC(=O)ONC(=N)c1ccc(-c2ccc(-c3ccc(C(=N)NOC(C)=O)nc3)o2)cc1 to produce N=C(N)c1ccc(-c2ccc(-c3ccc(C(=N)N)nc3)o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.