Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 17.612\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCNC(=O)CSc1nc(COc2ccccc2)nc2ccccc12
(b) CCOC(=O)c1cnc2c(N=Nc3ccccc3)c(N)nn2c1N
Answer: a. CCCCNC(=O)CSc1nc(COc2ccccc2)nc2ccccc12
{#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#}
CCCCNC(=O)CSc1nc(COc2ccccc2)nc2ccccc12
CCCCNC(=O)CSc1nc(COc2ccccc2)nc2ccccc12
N-butyl-2-[2-(phenoxymethyl)quinazolin-4-yl]sulfanylacetamide