Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES COc1cc(OC)c(-c2c3cc(O)c(=O)cc-3oc3cc(O)c(O)cc23)cc1OC?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
[a] 19.304
[b] 9.103
[c] 12.254
[d] 4.094
Answer: c. 12.254\%.
{#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}.
COc1cc(OC)c(-c2c3cc(O)c(=O)cc-3oc3cc(O)c(O)cc23)cc1OC
COc1cc(OC)c(-c2c3cc(O)c(=O)cc-3oc3cc(O)c(O)cc23)cc1OC
2,6,7-trihydroxy-9-(2,4,5-trimethoxyphenyl)xanthen-3-one