Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 12.873\% 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) O=C(CSc1nc2ccccc2c(=O)n1CC1CCCO1)NCc1ccccc1
b) OCCCNC(=S)NC1CCCC1
Answer: b. OCCCNC(=S)NC1CCCC1
{#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#}
OCCCNC(=S)NC1CCCC1
OCCCNC(=S)NC1CCCC1
1-cyclopentyl-3-(3-hydroxypropyl)thiourea