Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 4.838\% 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: CCN(CC(=O)Nc1ccccc1C(F)(F)F)C(=O)c1oc2c(Cl)cccc2c1C
b: CN(CC(=O)Nc1ccc(F)c(F)c1F)C(=O)C1CCN(C(=O)Nc2ccccc2)CC1
Answer: a. CCN(CC(=O)Nc1ccccc1C(F)(F)F)C(=O)c1oc2c(Cl)cccc2c1C
{#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#}
CCN(CC(=O)Nc1ccccc1C(F)(F)F)C(=O)c1oc2c(Cl)cccc2c1C
CCN(CC(=O)Nc1ccccc1C(F)(F)F)C(=O)c1oc2c(Cl)cccc2c1C
7-chloro-N-ethyl-3-methyl-N-[2-oxo-2-[2-(trifluoromethyl)anilino]ethyl]-1-benzofuran-2-carboxamide