Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.066\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1cc([N+](=O)[O-])ccc1NC(=O)c1sc2ncn(CC(=O)N3CCOCC3)c(=O)c2c1C
(b) CC(C)CCn1nnnc1CN1CCN(c2ccccc2)CC1
Answer: b. CC(C)CCn1nnnc1CN1CCN(c2ccccc2)CC1
{#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)CCn1nnnc1CN1CCN(c2ccccc2)CC1
CC(C)CCn1nnnc1CN1CCN(c2ccccc2)CC1
1-[[1-(3-methylbutyl)tetrazol-5-yl]methyl]-4-phenylpiperazine