Problem statement: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CN1CCN(c2ccc(NC(=O)c3ccc(-c4cccc([N+](=O)[O-])c4)o3)cc2)CC1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a. 3.696
b. 28.442
c. 4.676
d. 3.031
Answer: c. 4.676\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CN1CCN(c2ccc(NC(=O)c3ccc(-c4cccc([N+](=O)[O-])c4)o3)cc2)CC1
CN1CCN(c2ccc(NC(=O)c3ccc(-c4cccc([N+](=O)[O-])c4)o3)cc2)CC1
N-[4-(4-methylpiperazin-1-yl)phenyl]-5-(3-nitrophenyl)furan-2-carboxamide