Task: Answer the multiple choice question.
Query: Which compound has a 13.067\% 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) C[C@@H](CSc1ccc(Br)cc1)CN1CC[C@H](C(C)(C)C)CCC1=O
(b) CCOC(=O)N1CCN(C(=S)Nc2ccc(C)cc2C)CC1
Answer: a. C[C@@H](CSc1ccc(Br)cc1)CN1CC[C@H](C(C)(C)C)CCC1=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#}
C[C@@H](CSc1ccc(Br)cc1)CN1CC[C@H](C(C)(C)C)CCC1=O
C[C@@H](CSc1ccc(Br)cc1)CN1CC[C@H](C(C)(C)C)CCC1=O
(5R)-1-[(2R)-3-(4-bromophenyl)sulfanyl-2-methylpropyl]-5-tert-butylazepan-2-one