Problem statement: Answer the multiple choice question.
Question: Which compound has a 12.964\% 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(O)c1ccc2c(c1)CCCN2
(b) Cc1sc(NC(=O)c2ccccc2)c(C(c2ccccn2)N2CCN(CCO)CC2)c1C
Answer: a. O=C(O)c1ccc2c(c1)CCCN2
{#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(O)c1ccc2c(c1)CCCN2
O=C(O)c1ccc2c(c1)CCCN2
1,2,3,4-tetrahydroquinoline-6-carboxylic acid