Task: Answer the multiple-choice question.
Query: Which compound exhibits a 13.125\% 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] CCC(c1nc2ccccc2c(=O)n1-c1nc2ccccc2s1)N1C(=O)c2ccccc2C1=O
[b] CC(=O)c1cccc(NC(=O)c2cc(C)no2)c1
Answer: b. CC(=O)c1cccc(NC(=O)c2cc(C)no2)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#}
CC(=O)c1cccc(NC(=O)c2cc(C)no2)c1
CC(=O)c1cccc(NC(=O)c2cc(C)no2)c1
N-(3-acetylphenyl)-3-methyl-1,2-oxazole-5-carboxamide