Task: Answer the multiple choice question.
Question: Which drug exhibits a -2.818\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccccc1OC(C)C(=O)N1CC(=O)Nc2ccccc21
b O=C(Nc1cccnc1)c1cc(-c2ccc(Cl)cc2Cl)on1
Answer: b. O=C(Nc1cccnc1)c1cc(-c2ccc(Cl)cc2Cl)on1
{#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(Nc1cccnc1)c1cc(-c2ccc(Cl)cc2Cl)on1
O=C(Nc1cccnc1)c1cc(-c2ccc(Cl)cc2Cl)on1
5-(2,4-dichlorophenyl)-N-pyridin-3-yl-1,2-oxazole-3-carboxamide