Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.639\% 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 other words.
Options:
a: CCN1CCN(C(=O)CCc2nnc(CCCCc3ccccc3)o2)[C@@H](C)C1=O
b: COc1ccc(C(=O)CSc2nccn2C)c(OC)c1
c: Cc1ccc(NC(=S)NNC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)cc1Cl
d: Cc1cc(C)n2nc(SCc3ccc(C#N)cc3)nc2n1
Answer: d. Cc1cc(C)n2nc(SCc3ccc(C#N)cc3)nc2n1
{#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#}
Cc1cc(C)n2nc(SCc3ccc(C#N)cc3)nc2n1
Cc1cc(C)n2nc(SCc3ccc(C#N)cc3)nc2n1
4-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanylmethyl]benzonitrile