Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 6.625\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(NCc1ccccc1CN1CCCC1)c1ccc(Cl)c(N2CCCC2=O)c1
b CCOC(=O)N1CCN(C(=O)c2ccc(OC)c(OC)c2)CC1
c CCCn1c(SC(C(=O)Nc2cc(C)ccc2OC)c2ccccc2)nc2ccccc2c1=O
Answer: b. CCOC(=O)N1CCN(C(=O)c2ccc(OC)c(OC)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#}
CCOC(=O)N1CCN(C(=O)c2ccc(OC)c(OC)c2)CC1
CCOC(=O)N1CCN(C(=O)c2ccc(OC)c(OC)c2)CC1
ethyl 4-(3,4-dimethoxybenzoyl)piperazine-1-carboxylate