Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=C(COC(=O)c1cc(Cl)ccc1[N+](=O)[O-])NCc1ccc(Cl)cc1Cl?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a: 4.265
b: -68.966
c: 1.995
d: 7.992
Answer: c. 1.995\%.
{#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=C(COC(=O)c1cc(Cl)ccc1[N+](=O)[O-])NCc1ccc(Cl)cc1Cl
O=C(COC(=O)c1cc(Cl)ccc1[N+](=O)[O-])NCc1ccc(Cl)cc1Cl
[2-[(2,4-dichlorophenyl)methylamino]-2-oxoethyl] 5-chloro-2-nitrobenzoate