Task: Answer the MCQ question.
Question: Which compound has a 2.403\% human ether-à-go-go related gene (hERG) inhibition at 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(C)=C2C(=O)c3ccccc3C2=O)CC1
[b] CC(C)[C@H](N)c1nnc(SCc2ccc(Cl)cc2)o1.Cl
[c] NC(=O)CSP(=O)(c1ccccc1)c1ccccc1
[d] CN(C)CCCN(C(=O)c1ccco1)c1nc(-c2ccc(Cl)cc2)cs1.Cl
Answer: a. CCOC(=O)C1CCN(C(C)=C2C(=O)c3ccccc3C2=O)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(C)=C2C(=O)c3ccccc3C2=O)CC1
CCOC(=O)C1CCN(C(C)=C2C(=O)c3ccccc3C2=O)CC1
ethyl 1-[1-(1,3-dioxoinden-2-ylidene)ethyl]piperidine-4-carboxylate