Problem statement: Answer the multiple-choice question.
Question: Which compound has a 10.487\% 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] CCOC(=O)C1=C(C)Nc2nc3ccccc3n2C1c1ccc(O)cc1
[b] Cc1cc(Br)ccc1OCCCCN1CCCCC1.O=C(O)C(=O)O
Answer: a. CCOC(=O)C1=C(C)Nc2nc3ccccc3n2C1c1ccc(O)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#}
CCOC(=O)C1=C(C)Nc2nc3ccccc3n2C1c1ccc(O)cc1
CCOC(=O)C1=C(C)Nc2nc3ccccc3n2C1c1ccc(O)cc1
ethyl 4-(4-hydroxyphenyl)-2-methyl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate