Using C=CCOCCN(C)C(=O)c1ccc(CCS(=O)(=O)N2CCC(N)(C#N)CC2)c(C)c1, O=S([O-])[O-] to produce C=CCOCCN(C)C(=O)c1ccc(CCS(=O)(=O)N2CCC(N)(C(N)=O)CC2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.