Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 11.966\% 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=C1NCCN2CCCC12
b CCc1ccc2c(c1)c(N=NC1=NC(=O)CS1)c(O)n2C
Answer: a. O=C1NCCN2CCCC12
{#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=C1NCCN2CCCC12
O=C1NCCN2CCCC12
3,4,6,7,8,8a-hexahydro-2H-pyrrolo[1,2-a]pyrazin-1-one