Problem statement: Answer the multiple-choice question.
Query: Which drug has a 2.219\% 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) C[C@H](NC(=O)CCCn1nnc2ccccc2c1=O)C(=O)O
(b) O=C(Cn1c(=O)[nH]c2ccsc2c1=O)NC1CCCCCC1
Answer: a. C[C@H](NC(=O)CCCn1nnc2ccccc2c1=O)C(=O)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#}
(2S)-2-[4-(4-oxo-1,2,3-benzotriazin-3-yl)butanoylamino]propanoic acid