Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.775\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CC1Nc2ccccc2C(=O)N1NC(=O)c1ccc(Br)cc1
b) O=C(Oc1ccc2c(=O)c(Oc3ccc4ccccc4c3)coc2c1)c1cncc(Br)c1
c) COc1ccc(C(C)=O)cc1COc1cc(C)c(Cl)c(C)c1
Answer: b. O=C(Oc1ccc2c(=O)c(Oc3ccc4ccccc4c3)coc2c1)c1cncc(Br)c1
{#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=C(Oc1ccc2c(=O)c(Oc3ccc4ccccc4c3)coc2c1)c1cncc(Br)c1
O=C(Oc1ccc2c(=O)c(Oc3ccc4ccccc4c3)coc2c1)c1cncc(Br)c1
(3-naphthalen-2-yloxy-4-oxochromen-7-yl) 5-bromopyridine-3-carboxylate