Using C=CC(O)c1cc(Br)c(OCc2ccc(OC)cc2)c(Br)c1 to produce C=CC(=O)c1cc(Br)c(OCc2ccc(OC)cc2)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.