Task: Answer the multiple choice question.
Question: Which compound has a 12.461\% 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 other words.
Options:
[a] COc1ccc(C(=O)NNC(=O)CCc2ccccc2OC)cc1
[b] O=C(CC(C(=O)O)c1ccc(Cl)cc1)c1ccc(Br)cc1
Answer: b. O=C(CC(C(=O)O)c1ccc(Cl)cc1)c1ccc(Br)cc1
{#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(CC(C(=O)O)c1ccc(Cl)cc1)c1ccc(Br)cc1
O=C(CC(C(=O)O)c1ccc(Cl)cc1)c1ccc(Br)cc1
4-(4-bromophenyl)-2-(4-chlorophenyl)-1-hydroxybutane-1,4-dione