Task: Answer the multiple-choice question.
Question: Which drug exhibits a 5.080\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=c1[nH]c2ccc(Br)cc2c(-c2ccccc2)c1N1CCOCC1
(b) CCOC(=O)c1cnn(-c2cc(C)nc3c(-c4ccccc4)cnn23)c1N
(c) c1ccc2nc(N3CCOCC3)cnc2c1
Answer: a. O=c1[nH]c2ccc(Br)cc2c(-c2ccccc2)c1N1CCOCC1
{#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#}
O=c1[nH]c2ccc(Br)cc2c(-c2ccccc2)c1N1CCOCC1
O=c1[nH]c2ccc(Br)cc2c(-c2ccccc2)c1N1CCOCC1
6-bromo-3-morpholin-4-yl-4-phenyl-1H-quinolin-2-one