Problem statement: Answer the multiple choice question.
Query: Which compound has a 4.918\% 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: CCCN(CCC)C(=O)C1CCCN(S(=O)(=O)c2ccc3c(c2)oc(=O)n3C)C1
b: COc1ccc(C2/C=C\CN(C(=O)Nc3ccccc3-c3ccccc3)CC(=O)N2Cc2ccc(F)cc2)cc1
c: C/C(=N\Nc1ccc(Cl)c(C(=O)O)c1)c1cc2ccccc2o1
d: Cn1cc(C=C(C#N)C#N)c2ccccc21
Answer: d. Cn1cc(C=C(C#N)C#N)c2ccccc21
{#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#}
Cn1cc(C=C(C#N)C#N)c2ccccc21
Cn1cc(C=C(C#N)C#N)c2ccccc21
2-[(1-methylindol-3-yl)methylidene]propanedinitrile