Task: Answer the MCQ question.
Question: Which compound exhibits a 5.687\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(O)C(=O)O.OC(CNCCc1ccc(C(F)(F)F)cc1)COC(c1ccccc1)c1ccccc1
(b) Cc1ccc2nc3n(c(=O)c2c1)CCCCC3
Answer: b. Cc1ccc2nc3n(c(=O)c2c1)CCCCC3
{#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#}
Cc1ccc2nc3n(c(=O)c2c1)CCCCC3
Cc1ccc2nc3n(c(=O)c2c1)CCCCC3
2-methyl-7,8,9,10-tetrahydro-6H-azepino[2,1-b]quinazolin-12-one