Task: Answer the MCQ question.
Query: Which compound exhibits a 5.697\% 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) CCc1cc(=O)oc2cc(C)cc(O)c12
(b) CCC1CN(C)CCC1(OC(C)=O)c1ccccc1.Cl
Answer: a. CCc1cc(=O)oc2cc(C)cc(O)c12
{#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#}
CCc1cc(=O)oc2cc(C)cc(O)c12
CCc1cc(=O)oc2cc(C)cc(O)c12
4-ethyl-5-hydroxy-7-methylchromen-2-one