Using CC(C)(C)OC(=O)NCCc1c[nH]c2ccc(S(=O)(=O)c3ccccc3)cc12, O=C([O-])[O-] to produce Cn1cc(CCNC(=O)OC(C)(C)C)c2cc(S(=O)(=O)c3ccccc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.