Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES COc1ccc(N2CCN(C(=O)COC(=O)c3oc4ccc(OC)cc4c3C)CC2)cc1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a: 6.137
b: 8.586
c: 7.923
d: -5.361
Answer: a. 6.137\%.
{#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(N2CCN(C(=O)COC(=O)c3oc4ccc(OC)cc4c3C)CC2)cc1
COc1ccc(N2CCN(C(=O)COC(=O)c3oc4ccc(OC)cc4c3C)CC2)cc1
[2-[4-(4-methoxyphenyl)piperazin-1-yl]-2-oxoethyl] 5-methoxy-3-methyl-1-benzofuran-2-carboxylate