Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.918\% 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] CSc1sccc1/C=C(/C#N)C(=O)c1ccco1
[b] CCCc1nnc(NC(=O)CCC(=O)N2CCN(S(=O)(=O)c3ccccc3)CC2)s1
[c] COc1ccc(NC(=O)c2ccc(Br)o2)c([N+](=O)[O-])c1
[d] O=C1c2cc(O)c(O)cc2S(=O)(=O)C1c1ccccc1
Answer: a. CSc1sccc1/C=C(/C#N)C(=O)c1ccco1
{#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#}
CSc1sccc1/C=C(/C#N)C(=O)c1ccco1
CSc1sccc1/C=C(/C#N)C(=O)c1ccco1
(Z)-2-(furan-2-carbonyl)-3-[2-methylsulfanylthiophen-3-yl]prop-2-enenitrile