Task: Answer the MCQ question.
Query: Which drug has a 19.734% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COC(=O)c1cc2nc(-c3ccccc3)cc(C(F)(F)F)n2n1
[b] CC1(C)CN(c2cccc(C#N)c2)C1=O
Answer: a. COC(=O)c1cc2nc(-c3ccccc3)cc(C(F)(F)F)n2n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COC(=O)c1cc2nc(-c3ccccc3)cc(C(F)(F)F)n2n1
COC(=O)c1cc2nc(-c3ccccc3)cc(C(F)(F)F)n2n1
methyl 5-phenyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate