Task: Answer the multiple-choice question.
Question: Which drug exhibits a 15.974\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1n[nH]c(=O)c2c(NC(=O)COC(=O)Cc3c(F)cccc3Cl)oc(C)c12
(b) CCOC(=O)c1c(S(=O)(=O)NCc2ccc(OC)cc2)c(C)n(C)c1C
(c) CCCCn1c(-c2nonc2N)nc2ccccc21
Answer: c. CCCCn1c(-c2nonc2N)nc2ccccc21
{#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#}
CCCCn1c(-c2nonc2N)nc2ccccc21
CCCCn1c(-c2nonc2N)nc2ccccc21
4-(1-butylbenzimidazol-2-yl)-1,2,5-oxadiazol-3-amine