Using CCOC(=O)c1cnc2c(Br)cccc2c1, COc1ccccc1B(O)O to produce CCOC(=O)c1cnc2c(-c3ccccc3OC)cccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.