Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 21.003\% 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) Cc1nn(-c2ccccc2)c(Cl)c1/C=N/NC(=O)c1nn(C)cc1[N+](=O)[O-]
b) O=C(NC1=NCCS1)c1ccccc1
c) COc1ccc(NS(=O)(=O)c2cccc(C(=O)NNC(=O)c3cncc(Br)c3)c2)cc1
d) Cc1cccc(OCC(=O)N2CCN(C(=O)Cc3ccccc3)CC2)c1
Answer: b. O=C(NC1=NCCS1)c1ccccc1
{#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#}
O=C(NC1=NCCS1)c1ccccc1
O=C(NC1=NCCS1)c1ccccc1
N-(4,5-dihydro-1,3-thiazol-2-yl)benzamide