Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=[N+]([O-])c1ccc(C[n+]2c(-c3ccccc3)cc(-c3ccccc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
[a] 2.532
[b] 1.659
[c] 7.614
Answer: c. 7.614\%.
{#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}.
O=[N+]([O-])c1ccc(C[n+]2c(-c3ccccc3)cc(-c3ccccc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
O=[N+]([O-])c1ccc(C[n+]2c(-c3ccccc3)cc(-c3ccccc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
1-[(4-nitrophenyl)methyl]-2,4,6-triphenylpyridin-1-ium;perchlorate