Using COc1ccc(Br)c(CO)c1, COc1ccc2ccc(O)cc2c1 to produce COc1ccc(Br)c(COc2ccc3ccc(OC)cc3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.