Task: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES COc1cccc(-c2coc3cc4oc(=O)c(CCC(=O)O)c(C)c4cc23)c1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 16.511
b 6.774
Answer: b. 6.774\%.
{#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}.
COc1cccc(-c2coc3cc4oc(=O)c(CCC(=O)O)c(C)c4cc23)c1
COc1cccc(-c2coc3cc4oc(=O)c(CCC(=O)O)c(C)c4cc23)c1
3-[3-(3-methoxyphenyl)-5-methyl-7-oxofuro[3,2-g]chromen-6-yl]propanoic acid