Problem statement: Answer the MCQ question.
Query: Which drug has a -19.399\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CN1CCN(c2c(/C=N/O)c3ccccc3n2C)CC1
b O=c1[nH]c2ccc(NC(=S)Nc3ccc(Cl)cc3)cc2[nH]1
Answer: a. CN1CCN(c2c(/C=N/O)c3ccccc3n2C)CC1
{#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#}
CN1CCN(c2c(/C=N/O)c3ccccc3n2C)CC1
CN1CCN(c2c(/C=N/O)c3ccccc3n2C)CC1
(NE)-N-[[1-methyl-2-(4-methylpiperazin-1-yl)indol-3-yl]methylidene]hydroxylamine