Problem statement: Answer the multiple-choice question.
Query: Which drug has a 3.537\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCOc1ccc(/C=N/O)cc1
b) CCOC(=O)N1CCC(NC(=O)Cn2c3c(c(-c4ccccc4Cl)cc2=O)CCC3)CC1
Answer: a. CCOc1ccc(/C=N/O)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(/C=N/O)cc1
CCOc1ccc(/C=N/O)cc1
(NE)-N-[(4-ethoxyphenyl)methylidene]hydroxylamine