Task: Answer the MCQ question.
Query: Which drug has a 2.533\% 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: CN(CC(=O)Nc1ccccc1Br)Cc1nc2ccccc2c(=O)[nH]1
b: COCCCC1CCN(Cc2nc(Cc3ccccc3Cl)no2)CC1
c: CN(C(=O)CSc1nnc(-c2n[nH]c3ccccc23)o1)c1ccccc1
Answer: b. COCCCC1CCN(Cc2nc(Cc3ccccc3Cl)no2)CC1
{#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#}
COCCCC1CCN(Cc2nc(Cc3ccccc3Cl)no2)CC1
COCCCC1CCN(Cc2nc(Cc3ccccc3Cl)no2)CC1
3-[(2-chlorophenyl)methyl]-5-[[4-(3-methoxypropyl)piperidin-1-yl]methyl]-1,2,4-oxadiazole