Using Cc1cc(COc2ccc(C#N)cc2)nc2cc(N3C(=O)c4ccccc4C3=O)ccc12 to produce Cc1cc(COc2ccc(C#N)cc2)nc2cc(N)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.