Problem statement: Answer the MCQ question.
Query: Which drug has a 12.186\% 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] COC(=O)COc1cccc(NC(=O)COc2ccccc2)c1
[b] CC(C)(C)CN1CCNC(=O)C1CC(=O)NCc1cccc(-n2cccn2)c1
Answer: b. CC(C)(C)CN1CCNC(=O)C1CC(=O)NCc1cccc(-n2cccn2)c1
{#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#}
2-[1-(2,2-dimethylpropyl)-3-oxopiperazin-2-yl]-N-[(3-pyrazol-1-ylphenyl)methyl]acetamide