Task: Answer the multiple-choice question.
Query: Which drug exhibits a 19.250\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=[N+]([O-])c1ccccc1S(=O)(=O)NCc1nc(-c2ccccc2)no1
b.) CCOC(=O)Oc1ccc2oc(=O)cc(C)c2c1
c.) CCCCC(CC)C1OCC(CN2CCCCC2)O1
Answer: b. CCOC(=O)Oc1ccc2oc(=O)cc(C)c2c1
{#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)Oc1ccc2oc(=O)cc(C)c2c1
CCOC(=O)Oc1ccc2oc(=O)cc(C)c2c1
ethyl (4-methyl-2-oxochromen-6-yl) carbonate