Task: Answer the MCQ question.
Question: Which drug has a 19.995% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCCc1nnc(NC(=O)CCC(=O)NC2CCCCC2)s1
b: Cc1[nH]n(-c2ccccc2)c(=O)c1N=Nc1c(Cl)cccc1Cl
c: COc1cc(C2C(C(=O)c3ccco3)=C(O)C(=O)N2Cc2ccccc2)ccc1O
d: CC1CN(c2cc([N+](=O)[O-])ccc2Cl)CC(C)N1
Answer: a. CCCc1nnc(NC(=O)CCC(=O)NC2CCCCC2)s1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCc1nnc(NC(=O)CCC(=O)NC2CCCCC2)s1
CCCc1nnc(NC(=O)CCC(=O)NC2CCCCC2)s1
N-cyclohexyl-N'-(5-propyl-1,3,4-thiadiazol-2-yl)butanediamide