Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.571\% 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] CC1CCC(C(=O)NC(C(=O)N2CCc3ccccc3C2)C(C)C)CC1
[b] CC1CCCCN1CCNC(=O)CN1C(=O)COc2ccccc21
[c] C=CCC1NS(=O)(=O)O[C@H](CCCC)[C@@H]1O
[d] COc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)c1cccc(-n2cccc2)c1
Answer: c. C=CCC1NS(=O)(=O)O[C@H](CCCC)[C@@H]1O
{#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#}
C=CCC1NS(=O)(=O)O[C@H](CCCC)[C@@H]1O
C=CCC1NS(=O)(=O)O[C@H](CCCC)[C@@H]1O
(5R,6R)-6-butyl-2,2-dioxo-4-prop-2-enyloxathiazinan-5-ol