Problem statement: Answer the multiple-choice question.
Question: Which drug has a 0.326\% 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) CCC1Oc2ccccc2N(CC(=O)NCCN2CCc3ccccc3C2)C1=O
(b) COc1cc(OC)cc(-c2nc3ccccc3c(=O)n2NC(=O)c2cccnc2Cl)c1
Answer: a. CCC1Oc2ccccc2N(CC(=O)NCCN2CCc3ccccc3C2)C1=O
{#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#}
CCC1Oc2ccccc2N(CC(=O)NCCN2CCc3ccccc3C2)C1=O
CCC1Oc2ccccc2N(CC(=O)NCCN2CCc3ccccc3C2)C1=O
N-[2-(3,4-dihydro-1H-isoquinolin-2-yl)ethyl]-2-(2-ethyl-3-oxo-1,4-benzoxazin-4-yl)acetamide