Problem statement: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CN1CCN(Cc2nc3cc(NC(=O)COc4ccc([N+](=O)[O-])cc4)ccc3n2C)CC1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a. 14.094
b. 13.172
c. 11.169
Answer: a. 14.094\%.
{#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(Cc2nc3cc(NC(=O)COc4ccc([N+](=O)[O-])cc4)ccc3n2C)CC1
CN1CCN(Cc2nc3cc(NC(=O)COc4ccc([N+](=O)[O-])cc4)ccc3n2C)CC1
N-[1-methyl-2-[(4-methylpiperazin-1-yl)methyl]benzimidazol-5-yl]-2-(4-nitrophenoxy)acetamide