Task: Answer the MCQ question.
Query: Which compound exhibits a -40.416% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(Cn1cc(C(=O)c2ccco2)c2ccccc21)NC1CCCCC1
[b] COc1ccc(CN2CCN(Cc3cc4ccccc4o3)CC2CCO)cc1C
Answer: b. COc1ccc(CN2CCN(Cc3cc4ccccc4o3)CC2CCO)cc1C
{#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(CN2CCN(Cc3cc4ccccc4o3)CC2CCO)cc1C
COc1ccc(CN2CCN(Cc3cc4ccccc4o3)CC2CCO)cc1C
2-[4-(1-benzofuran-2-ylmethyl)-1-[(4-methoxy-3-methylphenyl)methyl]piperazin-2-yl]ethanol