Using COc1ccc(C[C@@H](/C=C/[C@H](Cc2cccc(Cl)c2)C(=O)O)C(=O)O)cc1 to produce COC1CCC(C[C@@H](CC[C@H](CC2CCCCC2)C(=O)O)C(=O)O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.