Using O=[N+]([O-])c1ccccc1S(=O)(=O)Cl, COC(CN)OC to produce COC(CNS(=O)(=O)c1ccccc1[N+](=O)[O-])OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.