Using COC(=O)[C@@H](CI)NC(=O)OC(C)(C)C, CC(=O)Cc1ccccc1C to produce COC(=O)[C@H](CC(C(C)=O)c1ccccc1C)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.