Task: Answer the multiple-choice question.
Query: Which drug has a 21.034\% 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. O=C(CCCCCCC(=O)NCc1ccccc1)NCc1ccccc1
b. CCCOP(=O)(OCCC)C(Nc1cccc(C(F)(F)F)c1)c1ccc(C)cc1
Answer: b. CCCOP(=O)(OCCC)C(Nc1cccc(C(F)(F)F)c1)c1ccc(C)cc1
{#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#}
CCCOP(=O)(OCCC)C(Nc1cccc(C(F)(F)F)c1)c1ccc(C)cc1
CCCOP(=O)(OCCC)C(Nc1cccc(C(F)(F)F)c1)c1ccc(C)cc1
N-[dipropoxyphosphoryl-(4-methylphenyl)methyl]-3-(trifluoromethyl)aniline