Task: Answer the multiple-choice question.
Query: Which drug has a -52.640\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOc1ccc(CNCCc2ccc3c(c2)OCO3)cc1
(b) COCCn1c(=O)c2c(nc3n2CCCN3Cc2ccccc2)n(C)c1=O
Answer: a. CCOc1ccc(CNCCc2ccc3c(c2)OCO3)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#}
CCOc1ccc(CNCCc2ccc3c(c2)OCO3)cc1
CCOc1ccc(CNCCc2ccc3c(c2)OCO3)cc1
2-(1,3-benzodioxol-5-yl)-N-[(4-ethoxyphenyl)methyl]ethanamine