Task: Answer the multiple choice question.
Question: Which compound has a -0.473\% 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.) Fc1ccc(Nc2cccc3nccnc23)cc1
b.) CCOC(=O)c1cccc(NC(=O)CCc2ccccc2)c1
c.) Cc1ccc(C(=O)CSc2nc(N)cc(=O)[nH]2)cc1C
Answer: a. Fc1ccc(Nc2cccc3nccnc23)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#}
Fc1ccc(Nc2cccc3nccnc23)cc1
Fc1ccc(Nc2cccc3nccnc23)cc1
N-(4-fluorophenyl)benzo[b]pyrazin-5-amine