Task: Answer the MCQ question.
Query: Which compound has a 10.259\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] O=Nc1c2ccc[nH]c-2c2ccc([N+](=O)[O-])cc12
[b] Cc1ccc(-n2nnnc2SCC#N)cc1
[c] Cc1nc(S/C(=C/c2ccc(OCc3ccc(C(=O)O)cc3)cc2)C(=O)O)n[nH]1
[d] Cc1nc2ccc(S(=O)(=O)N(C)CC(=O)NCc3ccc(N(C)C)cc3)cc2s1
[e] CCN1C(=O)[C@@H]2[C@@H](c3ccc(-c4ccc(F)cc4)cc3)N3CCCC[C@@]3(C(=O)OC)[C@@H]2C1=O.O=C(O)C(F)(F)F
Answer: a. O=Nc1c2ccc[nH]c-2c2ccc([N+](=O)[O-])cc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=Nc1c2ccc[nH]c-2c2ccc([N+](=O)[O-])cc12
O=Nc1c2ccc[nH]c-2c2ccc([N+](=O)[O-])cc12
7-nitro-5-nitroso-1H-indeno[1,2-b]pyridine