Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.828\% 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 other words.
Options:
[a] COc1cccc(C(=O)c2c(C)c(CCC#N)n3ccccc23)c1
[b] C/C(Cn1nnc([N+](=O)[O-])n1)=N\NC(=O)c1ccccc1
Answer: a. COc1cccc(C(=O)c2c(C)c(CCC#N)n3ccccc23)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(C(=O)c2c(C)c(CCC#N)n3ccccc23)c1
COc1cccc(C(=O)c2c(C)c(CCC#N)n3ccccc23)c1
3-[1-(3-methoxybenzoyl)-2-methylindolizin-3-yl]propanenitrile