Task: Answer the multiple-choice question.
Query: Which compound exhibits a -88.294\% 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 NC(=O)Cc1nnc(N)s1
b CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccc(OC)c(O)c2)CC1
Answer: b. CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccc(OC)c(O)c2)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#}
ethyl 1-[(3-hydroxy-4-methoxyphenyl)methyl]-4-(2-phenoxyethyl)piperidine-4-carboxylate