Task: Answer the MCQ question.
Query: Which compound has a -12.031% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COc1ccc(CN2CCOCC2)cc1Br
b.) CCOC(=O)c1c(C)n(C)c2ccc(OC(C)C(=O)OC)cc12
Answer: a. COc1ccc(CN2CCOCC2)cc1Br
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(CN2CCOCC2)cc1Br
COc1ccc(CN2CCOCC2)cc1Br
4-[(3-bromo-4-methoxyphenyl)methyl]morpholine