Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -1.914\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCN1C(=O)CC(Sc2ccccc2C(=O)O)C1=O
(b) CCCN1C2CCCC1CC(NC(=S)Nc1cccc(C)c1C)C2
Answer: a. CCN1C(=O)CC(Sc2ccccc2C(=O)O)C1=O
{#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#}
CCN1C(=O)CC(Sc2ccccc2C(=O)O)C1=O
CCN1C(=O)CC(Sc2ccccc2C(=O)O)C1=O
2-(1-ethyl-2,5-dioxopyrrolidin-3-yl)sulfanylbenzoic acid