Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -4.522\% 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=[N+]([O-])c1ccc(NC(=S)N2CCN(c3ccccc3)CC2)cc1
[b] CCCSc1cc(N)cc([N+](=O)[O-])c1
Answer: b. CCCSc1cc(N)cc([N+](=O)[O-])c1
{#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#}
3-nitro-5-propylsulfanylaniline