Task: Answer the multiple-choice question.
Question: Which compound exhibits a 14.374\% 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) Cn1c2ccccc2c(=O)c2c(=O)n(-c3ccc(F)cc3)c(-c3cccs3)nc21
b) COc1ccc(OCCCC(=O)N(CCC2=CCCCC2)c2c(N)n(Cc3ccccc3)c(=O)[nH]c2=O)cc1
Answer: a. Cn1c2ccccc2c(=O)c2c(=O)n(-c3ccc(F)cc3)c(-c3cccs3)nc21
{#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#}
Cn1c2ccccc2c(=O)c2c(=O)n(-c3ccc(F)cc3)c(-c3cccs3)nc21
Cn1c2ccccc2c(=O)c2c(=O)n(-c3ccc(F)cc3)c(-c3cccs3)nc21
3-(4-fluorophenyl)-10-methyl-2-thiophen-2-ylpyrimido[4,5-b]quinoline-4,5-dione