Using CCS, O=c1[nH]c2cc(Cl)c(F)c([N+](=O)[O-])c2[nH]c1=O to produce CCSc1c(Cl)cc2[nH]c(=O)c(=O)[nH]c2c1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.