Problem statement: Answer the multiple-choice question.
Question: Which drug has a 3.343\% 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 COc1cc2c(cc1OC)C(C)N(C(=O)c1c(-c3ccccc3)noc1C)CC2
b Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CCSc1nc2ccccc2o1
Answer: b. Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CCSc1nc2ccccc2o1
{#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#}
Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CCSc1nc2ccccc2o1
Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CCSc1nc2ccccc2o1
7-[2-(1,3-benzoxazol-2-ylsulfanyl)ethyl]-8-bromo-3-methylpurine-2,6-dione