Task: Answer the multiple-choice question.
Query: Which drug exhibits a 20.423\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) O=C(O)/C=C\C(=O)NC1CCCCC1
b) COC(=O)CSc1nc(C)cc(C)c1C#N
c) Cc1cc(NC(=O)CSc2nnc(C3CC3)n2N)no1
d) CCOc1ccccc1N1CCN(C(=O)/C=C/c2cccc([N+](=O)[O-])c2)CC1
e) Cc1cc2ncn(C3CC(=O)N(Cc4ccccc4)C3=O)c2cc1C
Answer: b. COC(=O)CSc1nc(C)cc(C)c1C#N
{#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#}
COC(=O)CSc1nc(C)cc(C)c1C#N
COC(=O)CSc1nc(C)cc(C)c1C#N
methyl 2-(3-cyano-4,6-dimethylpyridin-2-yl)sulfanylacetate