Using CCOC(=O)C1CCc2cc(Cl)c(O)cc2O1, BrCc1ccccc1 to produce COC(=O)C1CCc2cc(Cl)c(OCc3ccccc3)cc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.