Using COC(=O)CCCCCCCCCCBr, Oc1ccccc1OCc1ccccc1 to produce O=C(O)CCCCCCCCCCOc1ccccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.