Task: Answer the MCQ question.
Question: Which drug has a 0.578% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC(=O)C1=C(O)CCC1=N
b Cc1nnc(NC(=O)C2CCN(S(=O)(=O)c3ccc(Cl)cc3)CC2)s1
Answer: a. CC(=O)C1=C(O)CCC1=N
{#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#}
CC(=O)C1=C(O)CCC1=N
CC(=O)C1=C(O)CCC1=N
1-(2-hydroxy-5-iminocyclopenten-1-yl)ethanone