Using C#Cc1ccc2nnc(CNC(=O)OC(C)(C)C)n2n1, [N-]=[N+]=[N-] to produce CC(C)(C)OC(=O)NCc1nnc2ccc(-c3cnn[nH]3)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.