Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 11.431\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a O=C(O)C(=O)O.OCCNCCOCCOc1ccccc1-c1ccccc1
b COc1ccc(CCNC(=O)c2cc(=O)n(C)c(=O)n2C)cc1OC
c CCCCC(=O)Oc1cc(C)[nH]c(=O)c1[N+](=O)[O-]
d O=[N+]([O-])c1nn(-c2ccc3c(c2)OCCO3)n(O)c1=NC1CCCCCC1
e O=C(CN1CCN(C(=O)c2cncn2-c2ccccc2)CC1)Nc1ccccc1Cl
Answer: c. CCCCC(=O)Oc1cc(C)[nH]c(=O)c1[N+](=O)[O-]
{#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#}
CCCCC(=O)Oc1cc(C)[nH]c(=O)c1[N+](=O)[O-]
CCCCC(=O)Oc1cc(C)[nH]c(=O)c1[N+](=O)[O-]
(6-methyl-3-nitro-2-oxo-1H-pyridin-4-yl) pentanoate