Using CCOC(=O)Cc1c(Br)[nH]c2ccccc12, OB(O)c1ccccc1 to produce CCOC(=O)Cc1c(-c2ccccc2)[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.