Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 12.667\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(C(C)=O)cc1COC(=O)C(CO)NS(=O)(=O)c1ccc(Br)cc1
[b] O=C(O)CCN1CC2([N+](=O)[O-])CC=C(OCCO)C([N+](=O)[O-])(C1)C2
Answer: a. COc1ccc(C(C)=O)cc1COC(=O)C(CO)NS(=O)(=O)c1ccc(Br)cc1
{#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#}
COc1ccc(C(C)=O)cc1COC(=O)C(CO)NS(=O)(=O)c1ccc(Br)cc1
COc1ccc(C(C)=O)cc1COC(=O)C(CO)NS(=O)(=O)c1ccc(Br)cc1
(5-acetyl-2-methoxyphenyl)methyl 2-[(4-bromophenyl)sulfonylamino]-3-hydroxypropanoate