Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 2.010\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CSc1nc(C)cc(C)c1C#N
[b] COc1ccc(Nc2nc(N)c3ccccc3n2)c(OC)c1.Cl
Answer: a. CSc1nc(C)cc(C)c1C#N
{#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#}
CSc1nc(C)cc(C)c1C#N
CSc1nc(C)cc(C)c1C#N
4,6-dimethyl-2-methylsulfanylpyridine-3-carbonitrile