Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -4.283\% 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. COc1ccccc1N1CCN(C(c2ccccc2)c2nnnn2CCc2ccccc2)CC1.Cl
b. O=C(O)c1ccccc1C(=O)NNc1ccc(Cl)cc1Cl
Answer: b. O=C(O)c1ccccc1C(=O)NNc1ccc(Cl)cc1Cl
{#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(O)c1ccccc1C(=O)NNc1ccc(Cl)cc1Cl
O=C(O)c1ccccc1C(=O)NNc1ccc(Cl)cc1Cl
2-[(2,4-dichloroanilino)carbamoyl]benzoicacid