Task: Answer the MCQ question.
Question: Which drug has a 12.556\% 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, b, c, or d without using any additional words.
Options:
a: CCOC(=O)C1CCN(C(=O)CCNC(=O)c2ccccc2OC)CC1
b: Cc1ccc2c(c1)N(C(=O)CCC(=O)NC1CCN(Cc3ccccc3)CC1)CC(C)O2
c: COC(=O)Cc1ccc(NC(=S)NCc2cccc(OC)c2)cc1
d: CCC(C)C(NC(=O)C(N)CC(C)C)C(=O)NC(CCC(=O)OCc1ccccc1)C(N)=O.Cl
Answer: a. CCOC(=O)C1CCN(C(=O)CCNC(=O)c2ccccc2OC)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)C1CCN(C(=O)CCNC(=O)c2ccccc2OC)CC1
CCOC(=O)C1CCN(C(=O)CCNC(=O)c2ccccc2OC)CC1
ethyl 1-[3-[(2-methoxybenzoyl)amino]propanoyl]piperidine-4-carboxylate