Using CCOC(=O)Cn1c(C)cc(S(=O)(=O)CCCl)c([N+](=O)[O-])c1=O to produce CCOC(=O)Cn1c(C)cc(S(=O)(=O)CCCl)c(N)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.