Using ClC(c1ccccc1)(c1ccccc1)c1ccccc1, CCOC(=O)[C@H](C)O to produce C[C@H](OC(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.