Task: Answer the MCQ question.
Query: Which compound has a -3.856\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CC(C)Nc1ncnc2c1cnn2-c1ccc(Cl)cc1
b CCCCOCCCn1cnc2c([nH]c3cc(OC)ccc32)c1=O
c CN(C)S(=O)(=O)c1ccc(C(=O)NCC2CC2(Cl)Cl)cc1
Answer: b. CCCCOCCCn1cnc2c([nH]c3cc(OC)ccc32)c1=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#}
CCCCOCCCn1cnc2c([nH]c3cc(OC)ccc32)c1=O
CCCCOCCCn1cnc2c([nH]c3cc(OC)ccc32)c1=O
3-(3-butoxypropyl)-7-methoxy-5H-pyrimido[5,4-b]indol-4-one