Task: Answer the multiple-choice question.
Question: Which compound exhibits a 22.170\% 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 other words.
Options:
[a] COC(=O)c1cc2nc(-c3ccccc3)cc(C(F)(F)F)n2n1
[b] O=C(CSc1ccc2c(c1)OCCO2)Nc1cccnc1
[c] CCOC(=O)C1=C(c2ccccc2)NC(=O)NC1c1cc(Br)c(O)c(OC)c1
[d] N#CCCN(Cc1cccs1)C(=O)c1ccc(Cl)cc1
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_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#}
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