Using C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CCc1ccc(N=C(c2ccccc2)c2ccccc2)cc1 to produce C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CCc1ccc(N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.