Using BrCCCBr, CCCCCCCCCCCCCCCCCCOc1cc(O)cc(C(=O)OCc2ccccc2)c1 to produce CCCCCCCCCCCCCCCCCCOc1cc(OCCCBr)cc(C(=O)OCc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.