Using C[N+](=O)[O-], O=Cc1c[nH]c2cccc(Cl)c12 to produce O=[N+]([O-])/C=C/c1c[nH]c2cccc(Cl)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.