Problem statement: Answer the MCQ question.
Question: Which drug has a -0.891\% 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: O=C(CCCOc1ccc(Cl)cc1Cl)NCCCO
b: COc1nc(NC(C)=O)nc(C)c1Br
Answer: a. O=C(CCCOc1ccc(Cl)cc1Cl)NCCCO
{#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=C(CCCOc1ccc(Cl)cc1Cl)NCCCO
O=C(CCCOc1ccc(Cl)cc1Cl)NCCCO
4-(2,4-dichlorophenoxy)-N-(3-hydroxypropyl)butanamide