Task: Answer the MCQ question.
Query: Which drug exhibits a -39.268\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(O)c1oc2ccc(Br)cc2c1-n1cccc1
b) COc1ccc(CCNCc2ccc(SC)cc2)cc1
Answer: b. COc1ccc(CCNCc2ccc(SC)cc2)cc1
{#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#}
COc1ccc(CCNCc2ccc(SC)cc2)cc1
COc1ccc(CCNCc2ccc(SC)cc2)cc1
2-(4-methoxyphenyl)-N-[(4-methylsulfanylphenyl)methyl]ethanamine