Problem statement: Answer the multiple-choice question.
Query: Which compound has a 12.980\% 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 O=C(NCc1ccccc1)C(c1ccc(O)cc1)N(C(=O)c1cnccn1)c1ccccc1
b COC(=O)c1ccc(COC(=O)c2cnccn2)cc1
Answer: b. COC(=O)c1ccc(COC(=O)c2cnccn2)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#}
COC(=O)c1ccc(COC(=O)c2cnccn2)cc1
COC(=O)c1ccc(COC(=O)c2cnccn2)cc1
(4-methoxycarbonylphenyl)methyl pyrazine-2-carboxylate