Task: Answer the MCQ question.
Question: Which drug has a -6.294% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCOc1cc(C2Nc3ccccc3NC3=C2C(=O)CC(C)(C)C3)ccc1O
b: CO/N=C(\Cn1ncc(NC2CCCCC2)c(Br)c1=O)c1ccc(Cl)cc1
Answer: b. CO/N=C(\Cn1ncc(NC2CCCCC2)c(Br)c1=O)c1ccc(Cl)cc1
{#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#}
CO/N=C(\Cn1ncc(NC2CCCCC2)c(Br)c1=O)c1ccc(Cl)cc1
CO/N=C(\Cn1ncc(NC2CCCCC2)c(Br)c1=O)c1ccc(Cl)cc1
4-bromo-2-[(2Z)-2-(4-chlorophenyl)-2-methoxyiminoethyl]-5-(cyclohexylamino)pyridazin-3-one