Problem statement: Answer the multiple-choice question.
Question: Which drug has a 16.956\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cn1c(CCN2CCCCC2)nc2cc(NC(=O)C3CCCCC3)ccc21
b) CN(C)CCCNc1nc(N)c([N+](=O)[O-])c(NCCO)n1
Answer: b. CN(C)CCCNc1nc(N)c([N+](=O)[O-])c(NCCO)n1
{#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#}
CN(C)CCCNc1nc(N)c([N+](=O)[O-])c(NCCO)n1
CN(C)CCCNc1nc(N)c([N+](=O)[O-])c(NCCO)n1
2-[[6-amino-2-[3-(dimethylamino)propylamino]-5-nitropyrimidin-4-yl]amino]ethanol