Problem statement: Answer the multiple-choice question.
Query: Which drug has a 0.995\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
b: O=C(CCn1c(=O)[nH]c2ccccc2c1=O)NCCCN1CCN(c2cccc(Cl)c2)CC1
c: COc1cccc(N2CCc3c(C)nc4ccc(Cl)cc4c32)c1
Answer: a. CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
{#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)Nc2nnnn2C1c1cccc(OC)c1OC
CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
ethyl 7-(2,3-dimethoxyphenyl)-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate