Task: Answer the multiple-choice question.
Question: Which drug has a 5.341\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(Nc1cccc(O)c1)c1ccccc1[N+](=O)[O-]
b. O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccc(Cl)cc2)CC1
Answer: a. O=C(Nc1cccc(O)c1)c1ccccc1[N+](=O)[O-]
{#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=C(Nc1cccc(O)c1)c1ccccc1[N+](=O)[O-]
O=C(Nc1cccc(O)c1)c1ccccc1[N+](=O)[O-]
N-(3-hydroxyphenyl)-2-nitrobenzamide