Using CC(C)(C)OC(=O)Nc1ccc(Cc2cc(Cl)ncn2)cc1, [N-]=[N+]=[N-] to produce CC(C)(C)OC(=O)Nc1ccc(Cc2cc(N=[N+]=[N-])ncn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.