Using COC(=O)[C@@H]1CC[C@H](c2ccc(/C=C/c3ccccc3)cc2)N1C(=O)OC(C)(C)C to produce COC(=O)[C@@H]1CC[C@H](c2ccc(CCc3ccccc3)cc2)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.