Task: Answer the multiple-choice question.
Question: Which drug has a 7.784\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cn1c(Cc2nc3ccccc3n2C)nc2ccccc21
b: COc1ccc(C2C(C(=O)O)c3ccccc3C(=O)N2Cc2ccco2)cc1
Answer: a. Cn1c(Cc2nc3ccccc3n2C)nc2ccccc21
{#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(Cc2nc3ccccc3n2C)nc2ccccc21
Cn1c(Cc2nc3ccccc3n2C)nc2ccccc21
1-methyl-2-[(1-methylbenzimidazol-2-yl)methyl]benzimidazole