Task: Answer the MCQ question.
Question: Which drug exhibits a 16.060\% 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] CC(C)c1cccc(C(C)C)c1NC(=O)CCl
[b] O=C(Cn1cc([N+](=O)[O-])cn1)N1CCCc2ccccc21
Answer: a. CC(C)c1cccc(C(C)C)c1NC(=O)CCl
{#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#}
CC(C)c1cccc(C(C)C)c1NC(=O)CCl
CC(C)c1cccc(C(C)C)c1NC(=O)CCl
2-chloro-N-[2,6-di(propan-2-yl)phenyl]acetamide