Task: Answer the multiple-choice question.
Query: Which compound has a 2.503\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCn1c(=O)c([N+](=O)[O-])c(NCc2ccc3c(c2)OCO3)c2ccccc21
b. CCOc1ccc(-n2cnc3c(=O)[nH]c(N)nc32)cc1
c. OCC1CCCN1C(=S)Nc1ccccc1
Answer: a. CCn1c(=O)c([N+](=O)[O-])c(NCc2ccc3c(c2)OCO3)c2ccccc21
{#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#}
CCn1c(=O)c([N+](=O)[O-])c(NCc2ccc3c(c2)OCO3)c2ccccc21
CCn1c(=O)c([N+](=O)[O-])c(NCc2ccc3c(c2)OCO3)c2ccccc21
4-(1,3-benzodioxol-5-ylmethylamino)-1-ethyl-3-nitroquinolin-2-one