Task: Answer the multiple-choice question.
Query: Which drug has a 15.220\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CN1CCN(C(=O)C2CCC(CNS(=O)(=O)c3cccc4cccnc34)CC2)CC1
[b] CC(C)n1nnc(-c2ccc(OCc3ccccc3F)cc2)n1
Answer: b. CC(C)n1nnc(-c2ccc(OCc3ccccc3F)cc2)n1
{#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#}
5-[4-[(2-fluorophenyl)methoxy]phenyl]-2-propan-2-yltetrazole