Using COC(=O)c1ccc([C@@H](C)NC(C)=O)c(N)c1, [N-]=[N+]=[N-] to produce COC(=O)c1ccc([C@@H](C)NC(C)=O)c(N=[N+]=[N-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.