Problem statement: Answer the multiple-choice question.
Question: Which compound has a -13.125\% 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 additional words.
Options:
a) COc1ccccc1OCCCCN1CCN(c2ccccc2OC)CC1.O=C(O)C(=O)O
b) Cc1cc(NC(=O)c2cc(-c3cccs3)on2)nn1Cc1ccc(Cl)cc1
Answer: a. COc1ccccc1OCCCCN1CCN(c2ccccc2OC)CC1.O=C(O)C(=O)O
{#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#}
1-[4-(2-methoxyphenoxy)butyl]-4-(2-methoxyphenyl)piperazine;oxalic acid