Task: Answer the MCQ question.
Question: Which drug has a -1.876\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC(C)(C)n1cnc(C(N)=O)c1N
(b) Cc1nc([N+](=O)[O-])c(C(=O)O)n1C
(c) COC(=O)C1=C(C)N(C)C(=O)NC1c1ccc(O)c(OC)c1
(d) N#C/C(=C\c1ccccc1Br)C(=O)NC1CC1
Answer: a. CC(C)(C)n1cnc(C(N)=O)c1N
{#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)(C)n1cnc(C(N)=O)c1N
CC(C)(C)n1cnc(C(N)=O)c1N
5-amino-1-tert-butylimidazole-4-carboxamide