Task: Answer the multiple choice question.
Question: Which drug has a -1.229% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cn1cccc1-c1nc2ccccc2n1C
b: CCOC(=O)C1=C(N)Oc2cc(C)oc(=O)c2C12C(=O)N1c3c(cc(OC)cc32)C(C)=CC1(C)C
Answer: a. Cn1cccc1-c1nc2ccccc2n1C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cn1cccc1-c1nc2ccccc2n1C
Cn1cccc1-c1nc2ccccc2n1C
1-methyl-2-(1-methylpyrrol-2-yl)benzimidazole