Task: Answer the MCQ question.
Question: Which drug exhibits a 6.683% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCC(=O)N1CCc2cc(Br)cc(S(=O)(=O)N3CCCC(C(=O)NC(C)(C)C)C3)c21
[b] O=S(=O)(Nc1ncccn1)c1ccc(F)cc1
Answer: b. O=S(=O)(Nc1ncccn1)c1ccc(F)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=S(=O)(Nc1ncccn1)c1ccc(F)cc1
O=S(=O)(Nc1ncccn1)c1ccc(F)cc1
4-fluoro-N-pyrimidin-2-ylbenzenesulfonamide