Problem statement: Answer the multiple choice question.
Query: Which compound has a 18.251\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a O=C(CCc1nnc2ccc(NCc3ccco3)nn12)N1CCCCC1
b O=C(CCn1nnc2ccccc21)NNC(=O)C1CCCCC1
c COc1cc2c(cc1OC)-c1cc3ccc(OC)c(OC)c3c[n+]1CC2.[Cl-]
Answer: b. O=C(CCn1nnc2ccccc21)NNC(=O)C1CCCCC1
{#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#}
O=C(CCn1nnc2ccccc21)NNC(=O)C1CCCCC1
O=C(CCn1nnc2ccccc21)NNC(=O)C1CCCCC1
N'-[3-(benzotriazol-1-yl)propanoyl]cyclohexanecarbohydrazide