Task: Answer the MCQ question.
Question: Which compound has a 4.805\% 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 additional words.
Options:
a: COc1cccc(NC(=O)Nc2cccnc2)c1
b: COc1ccc2nc(N3CCC(C)CC3)c(C#N)cc2c1
Answer: a. COc1cccc(NC(=O)Nc2cccnc2)c1
{#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#}
COc1cccc(NC(=O)Nc2cccnc2)c1
COc1cccc(NC(=O)Nc2cccnc2)c1
1-(3-methoxyphenyl)-3-pyridin-3-ylurea