Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 7.700\% 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=c1cc(NCCO)c2ccccc2o1
b) Cc1ccc(C(=O)Nc2ccc(Oc3ccc(C(=O)O)c(C(=O)O)c3)cc2)cc1C
c) CCn1c(=O)n(CC(=O)NC2CCCC(C)C2C)c(=O)c2ccccc21
Answer: a. O=c1cc(NCCO)c2ccccc2o1
{#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#}
O=c1cc(NCCO)c2ccccc2o1
O=c1cc(NCCO)c2ccccc2o1
4-(2-hydroxyethylamino)chromen-2-one