Task: Answer the multiple-choice question.
Question: Which compound exhibits a 19.587\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Nc1nc(CN2CCN(c3ccccc3)CC2)nc(Nc2ccc(Cl)cc2)n1
[b] O=C(CCCN1C(=O)/C(=C\c2ccccc2)SC1=S)Nc1ccccc1O
Answer: b. O=C(CCCN1C(=O)/C(=C\c2ccccc2)SC1=S)Nc1ccccc1O
{#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#}
O=C(CCCN1C(=O)/C(=C\c2ccccc2)SC1=S)Nc1ccccc1O
O=C(CCCN1C(=O)/C(=C\c2ccccc2)SC1=S)Nc1ccccc1O
4-[(5E)-5-benzylidene-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-N-(2-hydroxyphenyl)butanamide