Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 15.748\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=P(Cc1nnco1)(c1ccccc1)c1ccccc1
b) COc1cccc(NC(=O)CSc2nnc(-c3cccc(OC(C)C)c3)n2N)c1
Answer: a. O=P(Cc1nnco1)(c1ccccc1)c1ccccc1
{#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=P(Cc1nnco1)(c1ccccc1)c1ccccc1
O=P(Cc1nnco1)(c1ccccc1)c1ccccc1
2-(diphenylphosphorylmethyl)-1,3,4-oxadiazole