Using BrCc1ccccc1, O=C(O)C1CCc2[nH]c3ccccc3c2C1 to produce O=C(OCc1ccccc1)C1CCc2[nH]c3ccccc3c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.