Task: Answer the multiple choice question.
Question: Which compound exhibits a 0.783\% 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 CCOC(=O)N1CCN(c2ccc(C(=O)c3ccccc3)cc2F)CC1
b COc1cc2ncnc(NCc3cccc(Cl)c3)c2cc1OC
Answer: a. CCOC(=O)N1CCN(c2ccc(C(=O)c3ccccc3)cc2F)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#}
CCOC(=O)N1CCN(c2ccc(C(=O)c3ccccc3)cc2F)CC1
CCOC(=O)N1CCN(c2ccc(C(=O)c3ccccc3)cc2F)CC1
ethyl 4-(4-benzoyl-2-fluorophenyl)piperazine-1-carboxylate