Task: Answer the multiple-choice question.
Query: Which compound has a 24.712\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a Clc1cc(NC2CCCCC2)ncn1
b CN(C)S(=O)(=O)c1ccc(C(=O)NCc2ccco2)cc1
c O=C(COc1ccc(Cl)cc1)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1
d COc1cccc(/C=C2\N=C(c3cncc(Br)c3)OC2=O)c1
Answer: a. Clc1cc(NC2CCCCC2)ncn1
{#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#}
Clc1cc(NC2CCCCC2)ncn1
Clc1cc(NC2CCCCC2)ncn1
6-chloro-N-cyclohexylpyrimidin-4-amine