Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 16.387\% 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 other words.
Options:
a: COC(=O)c1cc(Br)c(=O)n(Cc2cccnc2)c1
b: CCOC(=O)C1CCN(CC(=O)Nc2ccc(OC)c(Cl)c2)CC1
c: CCC(C)NC(=O)c1ccc(CSCc2cccc(F)c2)o1
d: COC(=O)C(Nc1ccccc1Cl)(c1cc(C)c(O)c(C)c1)C(F)(F)F
e: Nc1c(N2CCCC2)c2ccccc2oc1=O
Answer: a. COC(=O)c1cc(Br)c(=O)n(Cc2cccnc2)c1
{#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#}
COC(=O)c1cc(Br)c(=O)n(Cc2cccnc2)c1
COC(=O)c1cc(Br)c(=O)n(Cc2cccnc2)c1
methyl 5-bromo-6-oxo-1-(pyridin-3-ylmethyl)pyridine-3-carboxylate