Using BrCc1ccccc1, O=C(c1ccccc1)C(O)Cc1cccc(O)c1 to produce O=C(c1ccccc1)C(O)Cc1cccc(OCc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.