Using COc1ccc(C2=NNC(=O)CC2)cc1OC, O=[N+]([O-])c1ccc(CCl)cc1 to produce COc1ccc(C2=NN(Cc3ccc([N+](=O)[O-])cc3)C(=O)CC2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.