Using COC(=O)C(Oc1ccccc1)c1ccc(Oc2ccc(Cl)cc2)cc1 to produce O=C(O)C(Oc1ccccc1)c1ccc(Oc2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.