Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 7.822\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Nc1ncnc2nc(SCCC(=O)O)[nH]c12
(b) O=C(OCc1cc2ccccc2[nH]c1=O)c1ccccn1
Answer: a. Nc1ncnc2nc(SCCC(=O)O)[nH]c12
{#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#}
Nc1ncnc2nc(SCCC(=O)O)[nH]c12
Nc1ncnc2nc(SCCC(=O)O)[nH]c12
3-[(6-amino-7H-purin-8-yl)sulfanyl]propanoicacid