Problem statement: Answer the MCQ question.
Question: Which drug has a 1.993\% 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 CC(=O)c1cccc(OCC(=O)N2CCN(c3ccc(C(F)(F)F)cn3)CC2)c1
b O=C(CNC(=O)c1ccccc1)NCC(=O)OCc1ccc(Cl)cc1
Answer: a. CC(=O)c1cccc(OCC(=O)N2CCN(c3ccc(C(F)(F)F)cn3)CC2)c1
{#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#}
CC(=O)c1cccc(OCC(=O)N2CCN(c3ccc(C(F)(F)F)cn3)CC2)c1
CC(=O)c1cccc(OCC(=O)N2CCN(c3ccc(C(F)(F)F)cn3)CC2)c1
2-(3-acetylphenoxy)-1-[4-[5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]ethanone