Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 21.431\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(CCNC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2cccc(C(F)(F)F)c2)cc1OC
b: Cc1c(NC(=O)c2cc(-c3ccccc3)on2)c(=O)n(-c2ccccc2)n1C
c: CCN=c1scc(C)n1/N=C/c1cc(Br)c(O)c(Br)c1
d: COc1cc(OC)c(C(=O)Nc2cccnc2)cc1OC
Answer: a. COc1ccc(CCNC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2cccc(C(F)(F)F)c2)cc1OC
{#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#}
COc1ccc(CCNC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2cccc(C(F)(F)F)c2)cc1OC
COc1ccc(CCNC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2cccc(C(F)(F)F)c2)cc1OC
N-[2-(3,4-dimethoxyphenyl)ethyl]-2-[[4-oxo-5-[3-(trifluoromethyl)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-6-yl]sulfanyl]acetamide