Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 12.399\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Nc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
b: OCCN1CCN(C(=S)c2ccc(Cl)c(Cl)c2)CC1
c: COc1ccc(NC(=O)COC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)cc1
d: COc1ccc(N/C=C\C(=O)c2ccc(Br)cc2)cc1OC
Answer: a. Nc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
{#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#}
Nc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
Nc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
4-(6-nitro-1H-benzimidazol-2-yl)aniline