Using CC(C)(C)c1ccc(C(=O)Nc2ccccc2C(=O)Nc2cccc(N3C(=O)c4ccccc4C3=O)n2)cc1 to produce CC(C)(C)c1ccc(C(=O)Nc2ccccc2C(=O)Nc2cccc(N)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.