Using COc1ccc(OC)c(C(=O)CNC(=O)CCl)c1, [N-]=[N+]=[N-] to produce COc1ccc(OC)c(C(=O)CNC(=O)CN=[N+]=[N-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.