Task: Answer the multiple-choice question.
Query: Which compound has a -2.266\% 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.) O=C(OC(C(=O)NCC1CCCO1)c1ccccc1F)c1ccco1
b.) CC(=O)c1c(C)nc2cc(Cl)ccc2c1N
Answer: b. CC(=O)c1c(C)nc2cc(Cl)ccc2c1N
{#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#}
1-(4-amino-7-chloro-2-methylquinolin-3-yl)ethanone