Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 19.448\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)Cn1cnc2scc(-c3ccccc3)c2c1=O
(b) O=C(O)c1c2c(nc3ccccc13)/C(=C/c1ccc(OC(F)F)cc1)CCC2
Answer: b. O=C(O)c1c2c(nc3ccccc13)/C(=C/c1ccc(OC(F)F)cc1)CCC2
{#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)c1c2c(nc3ccccc13)/C(=C/c1ccc(OC(F)F)cc1)CCC2
O=C(O)c1c2c(nc3ccccc13)/C(=C/c1ccc(OC(F)F)cc1)CCC2
(4E)-4-[[4-(difluoromethoxy)phenyl]methylidene]-2,3-dihydro-1H-acridine-9-carboxylic acid