Using COc1ccc(C[C@@H](CC[C@H](Cc2cccc(Cl)c2)C(=O)O)C(=O)O)cc1 to produce O=C(O)[C@H](CC[C@H](Cc1cccc(Cl)c1)C(=O)O)Cc1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.