Problem statement: Answer the multiple choice question.
Query: Which compound has a 8.920\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCc1nnc2c(NCCc3ccccc3)nc3ccccc3n12
(b) COc1ccc(-n2nc(C(=O)NCC(=O)N3CCC(C)CC3)c3ccccc3c2=O)cc1Cl
Answer: a. CCc1nnc2c(NCCc3ccccc3)nc3ccccc3n12
{#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#}
CCc1nnc2c(NCCc3ccccc3)nc3ccccc3n12
CCc1nnc2c(NCCc3ccccc3)nc3ccccc3n12
1-ethyl-N-(2-phenylethyl)-[1,2,4]triazolo[4,3-a]quinoxalin-4-amine