Using COc1ccc(N2CCNCC2)cc1, O=[N+]([O-])c1ccc(Cl)cc1 to produce COc1ccc(N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.