Task: Answer the MCQ question.
Question: Which compound exhibits a 12.251\% 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] CCCOc1ccc2c(CC)cc(=O)oc2c1C
[b] CCOC(=O)c1sc(Nc2ccc(F)cc2)nc1C
Answer: a. CCCOc1ccc2c(CC)cc(=O)oc2c1C
{#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#}
CCCOc1ccc2c(CC)cc(=O)oc2c1C
CCCOc1ccc2c(CC)cc(=O)oc2c1C
4-ethyl-8-methyl-7-propoxychromen-2-one