Using CCCCBr, COc1ccc(C(=O)c2cccc(C(=O)O)c2)c(O)c1 to produce CCCCOc1cc(OC)ccc1C(=O)c1cccc(C(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.