Task: Answer the MCQ question.
Query: Which compound exhibits a 2.606\% 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) COCCN(C(=S)Nc1cccc(OC)c1)C1CCN(C(C)=O)CC1
b) O=C(O)c1ccccc1C(=O)Nc1ccc(Br)c(C(F)(F)F)c1
Answer: b. O=C(O)c1ccccc1C(=O)Nc1ccc(Br)c(C(F)(F)F)c1
{#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#}
O=C(O)c1ccccc1C(=O)Nc1ccc(Br)c(C(F)(F)F)c1
O=C(O)c1ccccc1C(=O)Nc1ccc(Br)c(C(F)(F)F)c1
2-[(4-bromo-3-(trifluoromethyl)phenyl]carbamoyl]benzoicacid