Using COC(=O)C1c2cc(Cl)ccc2Oc2ccccc2C1C[N+](=O)[O-] to produce COC(=O)C1c2cc(Cl)ccc2Oc2ccccc2C1CN, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.