Problem statement: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES COc1ccc(-n2c(CN3CCN(c4ccccc4)CC3)nc3ccc([N+](=O)[O-])cc3c2=O)c(OC)c1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: 2.887
b: -21.224
c: 1.652
d: 16.372
e: 16.682
Answer: a. 2.887\%.
{#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}.
COc1ccc(-n2c(CN3CCN(c4ccccc4)CC3)nc3ccc([N+](=O)[O-])cc3c2=O)c(OC)c1
COc1ccc(-n2c(CN3CCN(c4ccccc4)CC3)nc3ccc([N+](=O)[O-])cc3c2=O)c(OC)c1
3-(2,4-dimethoxyphenyl)-6-nitro-2-[(4-phenylpiperazin-1-yl)methyl]quinazolin-4-one