Using Cc1ccnc(-c2ccc(C3OCCO3)c(N=C(NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)c2)c1 to produce Cc1ccnc(-c2ccc3cnc(N)nc3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.