Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 12.861\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1ccc(N2C(=O)CC(NCC3CCCO3)C2=O)cc1
(b) CNCCc1c[nH]c2ccccc12
Answer: b. CNCCc1c[nH]c2ccccc12
{#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#}
CNCCc1c[nH]c2ccccc12
CNCCc1c[nH]c2ccccc12
N-methyl-2-(1H-indol-3-yl)ethanamine