Problem statement: Answer the multiple choice question.
Question: Which compound has a -25.078\% human ether-à-go-go related gene (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=C1OCC(c2ccccc2)=C1c1ccccc1
(b) Cc1nc2ccccc2c2c1CC(C(C)(Cl)Br)O2
Answer: b. Cc1nc2ccccc2c2c1CC(C(C)(Cl)Br)O2
{#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#}
2-(1-bromo-1-chloroethyl)-4-methyl-2,3-dihydrofuro[3,2-c]quinoline