Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 20.554\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) O=C(Nc1nnc(C2CC2)s1)c1cc(-c2ccccc2)nn1-c1ccccc1
b) COCCNC(=O)CSc1nc2nc(C)cc(C)n2n1
c) Cl.Cn1c(=N)n(CC(O)c2cccs2)c2ccccc21
Answer: b. COCCNC(=O)CSc1nc2nc(C)cc(C)n2n1
{#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#}
COCCNC(=O)CSc1nc2nc(C)cc(C)n2n1
COCCNC(=O)CSc1nc2nc(C)cc(C)n2n1
2-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanyl]-N-(2-methoxyethyl)acetamide