Task: Answer the multiple-choice question.
Question: Which compound exhibits a 4.661\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(c1ccccc1)C(C(=O)N1CCc2ccccc2C1)n1ccccc1=O
[b] COc1ccc(CNC(=O)C2CCC(=O)N(CC3CCCCC3)C2)cc1
Answer: a. O=C(c1ccccc1)C(C(=O)N1CCc2ccccc2C1)n1ccccc1=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#}
O=C(c1ccccc1)C(C(=O)N1CCc2ccccc2C1)n1ccccc1=O
O=C(c1ccccc1)C(C(=O)N1CCc2ccccc2C1)n1ccccc1=O
1-(3,4-dihydro-1H-isoquinolin-2-yl)-2-(2-oxopyridin-1-yl)-3-phenylpropane-1,3-dione