Using COC(=O)c1c([N+](=O)[O-])cccc1S(=O)(=O)NCCN(C)C, CC(C)[O-] to produce CC(C)OC(=O)c1c([N+](=O)[O-])cccc1S(=O)(=O)NCCN(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.