Task: Answer the multiple choice question.
Question: Which compound exhibits a 7.158\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a Nc1nc(NCCOCCO)nc(NC2CCCCC2)c1[N+](=O)[O-]
b Cc1cc(C)c(C(=O)N(C)CC2CCCN(CCc3ccccc3F)C2)o1
c O=C(COC(=O)Cc1ccsc1)Nc1ccccc1
d O=c1c2ccccc2nnn1CSc1ccc2c(c1)OCCO2
Answer: a. Nc1nc(NCCOCCO)nc(NC2CCCCC2)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(NCCOCCO)nc(NC2CCCCC2)c1[N+](=O)[O-]
Nc1nc(NCCOCCO)nc(NC2CCCCC2)c1[N+](=O)[O-]
2-[2-[[4-amino-6-(cyclohexylamino)-5-nitropyrimidin-2-yl]amino]ethoxy]ethanol