Task: Answer the MCQ question.
Question: Which drug exhibits a 1.859\% 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, d, or e without using any other words.
Options:
a. CCCC(=O)NC(Nc1ccccc1F)C(Cl)(Cl)Cl
b. Cn1c(=O)[nH]c(=O)c2c1nc([N+](=O)[O-])n2Cc1ccccc1
c. CCc1c(C#N)c(SCc2c(C)noc2C)nc2c1C(=O)CC(C)(C)C2
d. CCCCNC(=O)CCn1c(=O)c2cccn2c2ccc(F)cc21
e. CN(C(=O)c1ccccn1)c1nnc(-c2cnccn2)s1
Answer: a. CCCC(=O)NC(Nc1ccccc1F)C(Cl)(Cl)Cl
{#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#}
CCCC(=O)NC(Nc1ccccc1F)C(Cl)(Cl)Cl
CCCC(=O)NC(Nc1ccccc1F)C(Cl)(Cl)Cl
N-[2,2,2-trichloro-1-(2-fluoroanilino)ethyl]butanamide