Task: Answer the MCQ question.
Question: Which drug exhibits a 2.900\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Cl.O=C(c1ccc(Cl)c(S(=O)(=O)N2CCCCCC2)c1)N1CCN(CCO)CC1
b: N#Cc1c(-c2ccccc2)cc(-c2ccccc2)nc1Br
c: COC(=O)CC1C(=O)NCCN1C(=O)CSc1nnnn1-c1ccc(OC)cc1
Answer: b. N#Cc1c(-c2ccccc2)cc(-c2ccccc2)nc1Br
{#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#}
N#Cc1c(-c2ccccc2)cc(-c2ccccc2)nc1Br
N#Cc1c(-c2ccccc2)cc(-c2ccccc2)nc1Br
2-bromo-4,6-diphenylpyridine-3-carbonitrile