Task: Answer the multiple choice question.
Query: Which compound exhibits a 0.776\% 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. CC(C)CCn1nnnc1CN1CCN(c2ccc(F)cc2)CC1
b. CC(C(=O)N1c2ccccc2CC1C)N1CCN(S(=O)(=O)c2ccccc2F)CC1
Answer: a. CC(C)CCn1nnnc1CN1CCN(c2ccc(F)cc2)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(c2ccc(F)cc2)CC1
CC(C)CCn1nnnc1CN1CCN(c2ccc(F)cc2)CC1
1-(4-fluorophenyl)-4-[[1-(3-methylbutyl)tetrazol-5-yl]methyl]piperazine