Using COc1ccc2c(c1)CCCCC2=O, COc1cc(Br)cc(OC)c1OC to produce COc1ccc2c(c1)CCCCC2(O)c1cc(OC)c(OC)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.