Task: Answer the multiple-choice question.
Query: Which drug exhibits a 16.549\% 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) CCOC(=O)c1sc2ccccc2c1NC(=O)c1coc2ccccc2c1=O
(b) CC(C)c1nn(-c2cc(C(F)(F)F)ccn2)c(=O)o1
Answer: b. CC(C)c1nn(-c2cc(C(F)(F)F)ccn2)c(=O)o1
{#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#}
CC(C)c1nn(-c2cc(C(F)(F)F)ccn2)c(=O)o1
CC(C)c1nn(-c2cc(C(F)(F)F)ccn2)c(=O)o1
5-propan-2-yl-3-[4-(trifluoromethyl)pyridin-2-yl]-1,3,4-oxadiazol-2-one