Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.755\% 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. Brc1ccc(-c2ccc(/C=N/Nc3nncc(-c4ccccc4)n3)o2)cc1
b. O=C(O)CC(NC(=O)COc1ccccc1)c1cccc([N+](=O)[O-])c1
c. CN(C)C(=O)c1cc(C(=O)c2ccc(Cl)cc2Cl)c[nH]1
d. CCc1nc(N)c(C#N)c(-c2cccnc2)c1C
Answer: d. CCc1nc(N)c(C#N)c(-c2cccnc2)c1C
{#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#}
CCc1nc(N)c(C#N)c(-c2cccnc2)c1C
CCc1nc(N)c(C#N)c(-c2cccnc2)c1C
2-amino-6-ethyl-5-methyl-4-pyridin-3-ylpyridine-3-carbonitrile