Using CC(C)(C)NC(=O)c1nn(-c2cc(Br)ccn2)c2c1C[C@H]1C[C@@H]21, [Cl-] to produce CC(C)(C)NC(=O)c1nn(-c2cc(Cl)ccn2)c2c1C[C@H]1C[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.