Task: Answer the MCQ question.
Query: Which compound exhibits a 2.109\% 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] Cc1cc(C(=O)OCC(=O)Nc2ccc(F)cc2)c(C)o1
[b] O=C(CNC(=O)C12CC3CC(CC(C3)C1)C2)OCc1ccc(F)cc1Cl
Answer: a. Cc1cc(C(=O)OCC(=O)Nc2ccc(F)cc2)c(C)o1
{#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#}
Cc1cc(C(=O)OCC(=O)Nc2ccc(F)cc2)c(C)o1
Cc1cc(C(=O)OCC(=O)Nc2ccc(F)cc2)c(C)o1
[2-(4-fluoroanilino)-2-oxoethyl] 2,5-dimethylfuran-3-carboxylate