Task: Answer the MCQ question.
Question: Which drug has a 27.686\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Cc1cccc(C)c1OCC(=O)Nc1cccc(NC(=O)c2ccco2)c1
b: CCn1nc(CC(=O)O)c2ccccc2c1=O
c: CC(C)CCN1C(=O)c2ccc(C(=O)OCn3nnc4ccccc4c3=O)cc2C1=O
Answer: b. CCn1nc(CC(=O)O)c2ccccc2c1=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#}
CCn1nc(CC(=O)O)c2ccccc2c1=O
CCn1nc(CC(=O)O)c2ccccc2c1=O
2-(3-ethyl-4-oxophthalazin-1-yl)acetic acid