Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 20.499\% human ether-à-go-go related gene (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) CCC(=O)N1CCc2cc(S(=O)(=O)CCC(=O)Nc3ccc(OC)c(OC)c3)ccc21
b) O=C(NC1CCCc2ccccc21)c1ccccc1
c) Cc1cc(C)cc(Nc2nc3ccc(C)cc3n3cnnc23)c1
Answer: b. O=C(NC1CCCc2ccccc21)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(NC1CCCc2ccccc21)c1ccccc1
O=C(NC1CCCc2ccccc21)c1ccccc1
N-(1,2,3,4-tetrahydronaphthalen-1-yl)benzamide