Using Cc1cnc(Oc2ccccc2)c(Br)c1, OB(O)c1ccc(Cl)cc1 to produce Cc1cnc(Oc2ccccc2)c(-c2ccc(Cl)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.