Task: Answer the multiple-choice question.
Query: Which compound has a 16.424\% 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: c1ccc(Oc2c3ccccc3nc3ccccc23)cc1
b: C(=N\N1CCN(c2ccccc2)CC1)\c1cccs1
Answer: a. c1ccc(Oc2c3ccccc3nc3ccccc23)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#}
c1ccc(Oc2c3ccccc3nc3ccccc23)cc1
c1ccc(Oc2c3ccccc3nc3ccccc23)cc1
9-phenoxyacridine