Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 18.139\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) COc1cc2c(c(OC)c1O)C(=O)CO2
b.) COc1ccc(OC)c(N(CC(=O)N2CCCC2)S(C)(=O)=O)c1
Answer: a. COc1cc2c(c(OC)c1O)C(=O)CO2
{#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#}
COc1cc2c(c(OC)c1O)C(=O)CO2
COc1cc2c(c(OC)c1O)C(=O)CO2
5-hydroxy-4,6-dimethoxy-1-benzofuran-3-one