Using COc1ccc(-c2ccc3c(c2)COC3=O)c(OC)c1O, CCCBr to produce CCCOc1c(OC)ccc(-c2ccc3c(c2)COC3=O)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.