Using C[Sn](C)(C)c1cc(N)c2cnn(S(=O)(=O)c3ccccc3)c2c1, CS(=O)(=O)Nc1cc(Br)cnc1Cl to produce CS(=O)(=O)Nc1cc(-c2cc(N)c3cnn(S(=O)(=O)c4ccccc4)c3c2)cnc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.