Task: Answer the multiple choice question.
Query: Which drug has a 19.709\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCN(CC)C(=O)CN1C(=O)C(=O)c2ccccc21
b Cc1csc2nc(CSc3nc4ccccc4o3)cn12
c CCCCC(=O)Nc1cccc(NC(=O)c2cccc(Br)c2)c1
Answer: a. CCN(CC)C(=O)CN1C(=O)C(=O)c2ccccc21
{#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#}
CCN(CC)C(=O)CN1C(=O)C(=O)c2ccccc21
CCN(CC)C(=O)CN1C(=O)C(=O)c2ccccc21
2-(2,3-dioxoindol-1-yl)-N,N-diethylacetamide