Using Cn1nccc1-c1cc(C(=O)NC(CN2C(=O)c3ccccc3C2=O)C(C)(C)c2ccccc2)cs1 to produce Cn1nccc1-c1cc(C(=O)NC(CN)C(C)(C)c2ccccc2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.