Task: Answer the multiple-choice question.
Question: Which compound exhibits a -1.667\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCc1noc(C)c1C(=O)OCC(=O)Nc1c(F)cccc1F
b) CCN1CCN(c2ncc(C(=O)Nc3ccccc3C(=O)OC)c3ccccc23)CC1
Answer: b. CCN1CCN(c2ncc(C(=O)Nc3ccccc3C(=O)OC)c3ccccc23)CC1
{#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#}
CCN1CCN(c2ncc(C(=O)Nc3ccccc3C(=O)OC)c3ccccc23)CC1
CCN1CCN(c2ncc(C(=O)Nc3ccccc3C(=O)OC)c3ccccc23)CC1
methyl 2-[[1-(4-ethylpiperazin-1-yl)isoquinoline-4-carbonyl]amino]benzoate