Using Cc1ccc2cc(-c3cncc(N4C(=O)c5ccccc5C4=O)c3)n(C)c2c1 to produce Cc1ccc2cc(-c3cncc(N)c3)n(C)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.