Task: Answer the multiple-choice question.
Query: Which drug has a 16.001\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(Cc1ccccc1F)Nc1ccc2c(c1)CCC2
(b) COc1cccc(NC(=O)CN(C)CC(=O)Nc2ccc(C)c([N+](=O)[O-])c2)c1
Answer: a. O=C(Cc1ccccc1F)Nc1ccc2c(c1)CCC2
{#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(Cc1ccccc1F)Nc1ccc2c(c1)CCC2
O=C(Cc1ccccc1F)Nc1ccc2c(c1)CCC2
N-(2,3-dihydro-1H-inden-5-yl)-2-(2-fluorophenyl)acetamide