Task: Answer the MCQ question.
Question: Which drug has a 23.376\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCN(CC)S(=O)(=O)c1ccc(N2CCOCC2)c(NC(=O)CC(C)(C)C)c1
b COc1cccc(-c2coc3cc4oc(=O)c(CC(=O)O)c(C)c4cc23)c1
Answer: b. COc1cccc(-c2coc3cc4oc(=O)c(CC(=O)O)c(C)c4cc23)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cccc(-c2coc3cc4oc(=O)c(CC(=O)O)c(C)c4cc23)c1
COc1cccc(-c2coc3cc4oc(=O)c(CC(=O)O)c(C)c4cc23)c1
2-[3-(3-methoxyphenyl)-5-methyl-7-oxofuro[3,2-g]chromen-6-yl]acetic acid