Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a -4.397\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCOC(=O)c1n[nH]n2c1nc(=S)c1ccccc12
b) O=C(CSc1nc(N2CCOCC2)nc(N2CCOCC2)n1)Nc1ccc([N+](=O)[O-])cc1
Answer: b. O=C(CSc1nc(N2CCOCC2)nc(N2CCOCC2)n1)Nc1ccc([N+](=O)[O-])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#}
O=C(CSc1nc(N2CCOCC2)nc(N2CCOCC2)n1)Nc1ccc([N+](=O)[O-])cc1
O=C(CSc1nc(N2CCOCC2)nc(N2CCOCC2)n1)Nc1ccc([N+](=O)[O-])cc1
2-[(4,6-dimorpholin-4-yl-1,3,5-triazin-2-yl)sulfanyl]-N-(4-nitrophenyl)acetamide