Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 12.519\% 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 other words.
Options:
a. COc1cc2sc3ccc(-c4ccc5[nH]ccc5c4)cc3c(=O)c2cc1OC
b. Cc1ccc2c(c1)N(C(C)C(=O)NCc1ccc3c(c1)OCO3)C(=O)CO2
Answer: a. COc1cc2sc3ccc(-c4ccc5[nH]ccc5c4)cc3c(=O)c2cc1OC
{#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#}
COc1cc2sc3ccc(-c4ccc5[nH]ccc5c4)cc3c(=O)c2cc1OC
COc1cc2sc3ccc(-c4ccc5[nH]ccc5c4)cc3c(=O)c2cc1OC
7-(1H-indol-5-yl)-2,3-dimethoxythioxanthen-9-one