Using Cc1ccnc(-n2cnc(N=C(NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)c2)c1 to produce Cc1ccnc(-n2cnc(NC(=N)N)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.