Using COC(=O)CCc1nc2cc(Br)c(Cl)cc2[nH]1, OB(O)c1ccccc1 to produce O=C(O)CCc1nc2cc(-c3ccccc3)c(Cl)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.