Using CC(O)=S, Cc1ccc(S(=O)(=O)OCC2CCN(C(=O)OCc3ccc([N+](=O)[O-])cc3)CC2)cc1 to produce CC(=O)SCC1CCN(C(=O)OCc2ccc([N+](=O)[O-])cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.