Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.364\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] c1ccc2[nH]c3cc4ncnc4cc3nc2c1
[b] O=c1[nH]c(-[n+]2ccccc2)c(/C=N/N=C(\[O-])c2ccccc2)s1
Answer: b. O=c1[nH]c(-[n+]2ccccc2)c(/C=N/N=C(\[O-])c2ccccc2)s1
{#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=c1[nH]c(-[n+]2ccccc2)c(/C=N/N=C(\[O-])c2ccccc2)s1
O=c1[nH]c(-[n+]2ccccc2)c(/C=N/N=C(\[O-])c2ccccc2)s1
(NE,Z)-N-[(2-oxo-4-pyridin-1-ium-1-yl-3H-1,3-thiazol-5-yl)methylidene]benzenecarbohydrazonate