Task: Answer the multiple-choice question.
Question: Which drug exhibits a -1.493\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CCC(CC)c1nnc(NC(=O)C2=COCCO2)s1
b: COc1ccc(-c2nc(-c3ccncc3)no2)cc1OC
c: O=C(CN(Cc1ccccc1)C(=O)CNS(=O)(=O)c1ccccc1)NCc1ccco1
d: CCN1CCN(C(=S)Nc2ccc3nc(N4CCN(C)CC4)cc(C)c3c2)CC1
Answer: b. COc1ccc(-c2nc(-c3ccncc3)no2)cc1OC
{#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#}
COc1ccc(-c2nc(-c3ccncc3)no2)cc1OC
COc1ccc(-c2nc(-c3ccncc3)no2)cc1OC
5-(3,4-dimethoxyphenyl)-3-pyridin-4-yl-1,2,4-oxadiazole