Using COc1cc(C=CC(=O)O)ccc1OC(C)=O, [N-]=[N+]=[N-] to produce COc1cc(C=CC(=O)N=[N+]=[N-])ccc1OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.