Task: Answer the multiple-choice question.
Question: Which compound has a 12.723\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a Cc1ccc(COc2coc(CN3CCN(C(=O)c4ccco4)CC3)cc2=O)cc1
b OCCNc1nc2ccccc2nc1NCCO
c C=CCN(Cc1nc(-c2ccccc2)no1)C(=O)c1ccc2c(c1)OCO2
d CCC(CO)Nc1ncc([N+](=O)[O-])cc1C#N
Answer: d. CCC(CO)Nc1ncc([N+](=O)[O-])cc1C#N
{#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#}
CCC(CO)Nc1ncc([N+](=O)[O-])cc1C#N
CCC(CO)Nc1ncc([N+](=O)[O-])cc1C#N
2-(1-hydroxybutan-2-ylamino)-5-nitropyridine-3-carbonitrile