Task: Answer the MCQ question.
Question: Which drug exhibits a 4.992\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) CCn1c(=O)ccc2cc([N+](=O)[O-])ccc21
b) CCc1ccc(CN(C)C(=O)c2ccc3c(=O)n4c(nc3c2)CCC4)cc1
c) Cc1nc2ccc(C(=O)O)cc2c2c1CC(C)S2
d) Cc1csc(NC(=O)CCN2C(=O)c3ccccc3S2(=O)=O)n1
e) S=c1[nH]nc(-c2cc(-c3ccco3)[nH]n2)n1-c1cccc2ccccc12
Answer: a. CCn1c(=O)ccc2cc([N+](=O)[O-])ccc21
{#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)ccc2cc([N+](=O)[O-])ccc21
CCn1c(=O)ccc2cc([N+](=O)[O-])ccc21
1-ethyl-6-nitroquinolin-2-one