Task: Answer the MCQ question.
Question: Which compound exhibits a -16.723\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=c1cc(CN2CCOCC2)c2cc(Cl)ccc2o1
(b) COCc1cc(=O)[nH]c(-c2ccccc2OC(F)(F)F)n1
Answer: b. COCc1cc(=O)[nH]c(-c2ccccc2OC(F)(F)F)n1
{#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#}
COCc1cc(=O)[nH]c(-c2ccccc2OC(F)(F)F)n1
COCc1cc(=O)[nH]c(-c2ccccc2OC(F)(F)F)n1
4-(methoxymethyl)-2-[2-(trifluoromethoxy)phenyl]-1H-pyrimidin-6-one