Problem statement: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES COc1ccc(N2CCN(CCNC(=O)C3CC(=O)N(C4CCCC4)C3)CC2)cc1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
[a] 18.270
[b] 8.474
Answer: b. 8.474\%.
{#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}.
1-cyclopentyl-N-[2-[4-(4-methoxyphenyl)piperazin-1-yl]ethyl]-5-oxopyrrolidine-3-carboxamide