Task: Answer the multiple choice question.
Question: Which drug has a 15.657\% 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(Cn1c(=O)c2c(ncn2C2CCCC2)n(Cc2ccccc2)c1=O)N1CCc2ccccc21
(b) COCCCNC(=O)c1ccccc1SC
Answer: b. COCCCNC(=O)c1ccccc1SC
{#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#}
COCCCNC(=O)c1ccccc1SC
COCCCNC(=O)c1ccccc1SC
N-(3-methoxypropyl)-2-methylsulfanylbenzamide