Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 9.534\% 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 COc1cc(OC)cc(C(=O)N(Cc2cc3cc(C)ccc3[nH]c2=O)C(C)C)c1
b CC(=O)N1CCC2(CC1)NC(=O)N(c1ccccc1)N2
Answer: b. CC(=O)N1CCC2(CC1)NC(=O)N(c1ccccc1)N2
{#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#}
8-acetyl-2-phenyl-1,2,4,8-tetrazaspiro[4.5]decan-3-one