Problem statement: Answer the multiple-choice question.
Question: Which compound has a 2.831\% 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 CCOC(=O)CC(=O)CSC1=C(C#N)C(c2ccccc2OC)CC(=O)N1
b Nc1nc(NCCN2CCOCC2)nc(NCc2ccccc2)c1[N+](=O)[O-]
Answer: b. Nc1nc(NCCN2CCOCC2)nc(NCc2ccccc2)c1[N+](=O)[O-]
{#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#}
Nc1nc(NCCN2CCOCC2)nc(NCc2ccccc2)c1[N+](=O)[O-]
Nc1nc(NCCN2CCOCC2)nc(NCc2ccccc2)c1[N+](=O)[O-]
4-N-benzyl-2-N-(2-morpholin-4-ylethyl)-5-nitropyrimidine-2,4,6-triamine