Task: Answer the MCQ question.
Question: Which drug exhibits a -0.749\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1ccc(CNC(=O)Cn2ccc3cc(S(=O)(=O)N4CCCC4)ccc32)cc1OC
b: CCCN(C(=O)Cn1c(C(F)(F)F)nc2ccccc21)C1CCS(=O)(=O)C1
c: COc1ccc(C2CC(c3cccs3)=NN2C(=O)c2ccco2)cc1OC
d: CCN(CC)S(=O)(=O)c1ccc(OC)c(NC(=O)c2ccc(=O)[nH]c2)c1
e: O=C(c1ccc([N+](=O)[O-])cc1)N1CCOC12CCN(c1ncc(C(F)(F)F)cc1Cl)CC2
Answer: b. CCCN(C(=O)Cn1c(C(F)(F)F)nc2ccccc21)C1CCS(=O)(=O)C1
{#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#}
CCCN(C(=O)Cn1c(C(F)(F)F)nc2ccccc21)C1CCS(=O)(=O)C1
CCCN(C(=O)Cn1c(C(F)(F)F)nc2ccccc21)C1CCS(=O)(=O)C1
N-(1,1-dioxothiolan-3-yl)-N-propyl-2-[2-(trifluoromethyl)benzimidazol-1-yl]acetamide