Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.456\% 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 other words.
Options:
a.) O=c1oc2ccccc2c(Nc2ccc3ccccc3c2)c1[N+](=O)[O-]
b.) COc1ccc(C(OC(=O)c2cccs2)C(=O)NCC2CCCO2)cc1
Answer: a. O=c1oc2ccccc2c(Nc2ccc3ccccc3c2)c1[N+](=O)[O-]
{#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#}
O=c1oc2ccccc2c(Nc2ccc3ccccc3c2)c1[N+](=O)[O-]
O=c1oc2ccccc2c(Nc2ccc3ccccc3c2)c1[N+](=O)[O-]
4-(naphthalen-2-ylamino)-3-nitrochromen-2-one