Task: Answer the MCQ question.
Query: Which drug exhibits a 7.376% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCO/N=C(\N)c1[nH]ncc1Br
(b) CCC(C)[C@H](NC(=O)N1CCN(c2cccc(C(F)(F)F)c2)CC1)C(=O)OC
Answer: a. CCO/N=C(\N)c1[nH]ncc1Br
{#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#}
CCO/N=C(\N)c1[nH]ncc1Br
CCO/N=C(\N)c1[nH]ncc1Br
4-bromo-N'-ethoxy-1H-pyrazole-5-carboximidamide