Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -2.598\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCOc1ccccc1N1CCN(Cc2ccco2)CC1
b: Cc1cc(NC(=O)CCC(=O)N(CC(=O)NC2CCCC2)c2ccc(F)c(Cl)c2)no1
Answer: a. CCOc1ccccc1N1CCN(Cc2ccco2)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#}
CCOc1ccccc1N1CCN(Cc2ccco2)CC1
CCOc1ccccc1N1CCN(Cc2ccco2)CC1
1-(2-ethoxyphenyl)-4-(furan-2-ylmethyl)piperazine