Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=C(NCCN1CCN(C(=O)c2c(F)cccc2F)CC1)C(=O)Nc1ccc(Cl)cc1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a. -3.918
b. 4.455
c. 3.987
Answer: c. 3.987\%.
{#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(NCCN1CCN(C(=O)c2c(F)cccc2F)CC1)C(=O)Nc1ccc(Cl)cc1
O=C(NCCN1CCN(C(=O)c2c(F)cccc2F)CC1)C(=O)Nc1ccc(Cl)cc1
N'-(4-chlorophenyl)-N-[2-[4-(2,6-difluorobenzoyl)piperazin-1-yl]ethyl]oxamide