Problem statement: Answer the multiple-choice question.
Query: Which drug has a 18.486\% 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. O=C(CNC(=O)c1ccccc1F)NCc1cccnc1
b. O=C(Nc1nc2ccccc2s1)c1cccc(N2C(=O)CCC2=O)c1
Answer: a. O=C(CNC(=O)c1ccccc1F)NCc1cccnc1
{#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(CNC(=O)c1ccccc1F)NCc1cccnc1
O=C(CNC(=O)c1ccccc1F)NCc1cccnc1
2-fluoro-N-[2-oxo-2-(pyridin-3-ylmethylamino)ethyl]benzamide