Using CC(O)c1ccccc1, O=c1[nH]c2ccc([N+](=O)[O-])cc2o1 to produce CC(c1ccccc1)n1c(=O)oc2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.