Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES O=C1CN(C(=O)/C=C/c2ccc(Cl)cc2)c2ccccc2N1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
[a] -18.659
[b] 5.982
Answer: a. -18.659\%.
{#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=C1CN(C(=O)/C=C/c2ccc(Cl)cc2)c2ccccc2N1
O=C1CN(C(=O)/C=C/c2ccc(Cl)cc2)c2ccccc2N1
4-[(E)-3-(4-chlorophenyl)prop-2-enoyl]-1,3-dihydroquinoxalin-2-one