Task: Answer the multiple choice question.
Query: Which compound has a 4.454\% 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: CC1=C(C(=O)OC2CCC(C)CC2)C(c2ccc(O)c([N+](=O)[O-])c2)NC(=O)N1
b: Cc1c(N2C(=O)c3cccc4cccc(c34)C2=O)cnn1C
Answer: b. Cc1c(N2C(=O)c3cccc4cccc(c34)C2=O)cnn1C
{#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#}
Cc1c(N2C(=O)c3cccc4cccc(c34)C2=O)cnn1C
Cc1c(N2C(=O)c3cccc4cccc(c34)C2=O)cnn1C
2-(1,5-dimethylpyrazol-4-yl)benzo[de]isoquinoline-1,3-dione