Task: Answer the multiple choice question.
Question: Which drug exhibits a 8.927\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COC(=O)c1ccc(C(=O)NN)cc1
b.) O=[N+]([O-])c1cccc(CSc2nnc(Cc3ccccc3)n2-c2ccc(F)cc2)c1
Answer: a. COC(=O)c1ccc(C(=O)NN)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#}
methyl 4-(hydrazinecarbonyl)benzoate