Task: Answer the MCQ question.
Question: Which drug exhibits a -2.640\% 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. CCCC(CCC)C(=O)NCCN1CCOCC1.Cl
b. CCCCCC(=O)Nc1ccc(C(=O)COC(=O)c2ccccn2)cc1
c. CCN(CC)C(=O)Cn1cc(SCC(=O)NCc2ccco2)c2ccccc21
d. O=C(/C=C/c1ccccc1)N1CCC(N2CCC(C(=O)N3CCOCC3)CC2)CC1
Answer: b. CCCCCC(=O)Nc1ccc(C(=O)COC(=O)c2ccccn2)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#}
CCCCCC(=O)Nc1ccc(C(=O)COC(=O)c2ccccn2)cc1
CCCCCC(=O)Nc1ccc(C(=O)COC(=O)c2ccccn2)cc1
[2-oxo-2-[4-(hexanoylamino)phenyl]ethyl]pyridine-2-carboxylate