Using COC(=O)CCCC=CCC1C(O)CC(OCc2ccccc2Br)C1C1OCCO1 to produce COC(=O)CCCC=CCC1C(O)CC(OCc2ccccc2Br)C1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.