Using CS(=O)(=O)Cl, CSc1sc(-c2cc[nH]n2)c2c1C(=O)CC(C)(C)C2 to produce CSc1sc(-c2ccn(S(C)(=O)=O)n2)c2c1C(=O)CC(C)(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.