Task: Answer the multiple-choice question.
Question: Which compound has a 14.218\% 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=C1CCC(c2ccc3c(c2)CCC3)=NN1
[b] CCOc1ccccc1NC(=O)Cn1nnc(C(=O)NCc2ccc3c(c2)OCO3)c1N
Answer: a. O=C1CCC(c2ccc3c(c2)CCC3)=NN1
{#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=C1CCC(c2ccc3c(c2)CCC3)=NN1
O=C1CCC(c2ccc3c(c2)CCC3)=NN1
3-(2,3-dihydro-1H-inden-5-yl)-4,5-dihydro-1H-pyridazin-6-one