Using COc1ccccc1-c1ccc2c(c1)C(CNC(=O)c1ccccc1)=CC(C)(C)N2, CI to produce COc1ccccc1-c1ccc2c(c1)C(CN(C)C(=O)c1ccccc1)=CC(C)(C)N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.