Using Cc1ccc2nc(N3CCSc4ccccc4C3)cc(C(O)C3CCN(C(=O)OC(C)(C)C)CC3)c2c1, O=S([O-])([O-])=S to produce Cc1ccc2nc(N3CCS(=O)(=O)c4ccccc4C3)cc(C(O)C3CCN(C(=O)OC(C)(C)C)CC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.