Task: Answer the multiple-choice question.
Question: Which compound has a 15.903\% 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 other words.
Options:
a: O=C(c1ccccn1)c1cc2ccccc2n1S(=O)(=O)c1ccccc1
b: Cc1ccc2oc(=O)n(CCCOc3ccccc3C)c2c1
c: CC1(C)C2CCC1(CS(=O)(=O)N1CCCc3ccccc31)C(=O)C2
d: O=C(O)CN1C(=O)C(=O)N(Cc2ccc(Cl)c(Cl)c2)C1=O
Answer: a. O=C(c1ccccn1)c1cc2ccccc2n1S(=O)(=O)c1ccccc1
{#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#}
[1-(benzenesulfonyl)indol-2-yl]-pyridin-2-ylmethanone