Using CI, COc1ccccc1CC(=O)N1C(=O)OC[C@@H]1Cc1ccccc1 to produce COc1ccccc1[C@H](C)C(=O)N1C(=O)OC[C@@H]1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.