Task: Answer the MCQ question.
Question: Which drug exhibits a 18.406\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CCOc1ccc2nc(NC(=O)C(NS(=O)(=O)c3cccc4nsnc34)C(C)C)sc2c1
b Cc1cccn2cc(-c3cc4ccccc4oc3=O)nc12
c Cc1ccc(C(=O)O/N=C\c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)cc1
d CCOC(=O)C1CCCN(C(=O)c2cnn3c(C(F)(F)F)cc(-c4ccccc4)nc23)C1
e O=[N+]([O-])c1ccc2c(c1)/C(=N\O)c1ccccc1-2
Answer: e. O=[N+]([O-])c1ccc2c(c1)/C(=N\O)c1ccccc1-2
{#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=[N+]([O-])c1ccc2c(c1)/C(=N\O)c1ccccc1-2
O=[N+]([O-])c1ccc2c(c1)/C(=N\O)c1ccccc1-2
(NZ)-N-(2-nitrofluoren-9-ylidene)hydroxylamine