Task: Answer the multiple choice question.
Query: Which drug has a 9.100\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCCCc1nccn1CCn1ccnc1CCCC.Cl
b CC(C)NC(=S)NC(c1ccccc1)(c1ccccc1)c1ccccc1
c Cc1cc2cc(CN(Cc3ccc4c(c3)OCO4)Cc3nnnn3C3CCCC3)c(=O)[nH]c2cc1C
d CCOC(=O)c1sc(C)c(C(=O)NC2CCCCC2)c1N
Answer: a. CCCCc1nccn1CCn1ccnc1CCCC.Cl
{#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#}
CCCCc1nccn1CCn1ccnc1CCCC.Cl
CCCCc1nccn1CCn1ccnc1CCCC.Cl
2-butyl-1-[2-(2-butylimidazol-1-yl)ethyl]imidazole;hydrochloride