Using CC(=O)OCCn1ccc2c([N+](=O)[O-])c(Cl)ccc2c1=O to produce CC(=O)OCCn1ccc2c(N)c(Cl)ccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.