Task: Answer the MCQ question.
Question: Which drug exhibits a -4.420\% 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: CCc1cccc(C)c1NC(=O)Cn1c(NCCO)nc2ccccc21
b: O=C(CCSc1ccc(Cl)cc1)NC12CC3CC(CC(C3)C1)C2
c: CC(C)N1CCN(Cc2ccc(OC3CCCC3)cc2)CC1CCO
d: CCn1c(/N=C/c2ccc(OC)cc2O)nc2ccccc21
Answer: a. CCc1cccc(C)c1NC(=O)Cn1c(NCCO)nc2ccccc21
{#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#}
CCc1cccc(C)c1NC(=O)Cn1c(NCCO)nc2ccccc21
CCc1cccc(C)c1NC(=O)Cn1c(NCCO)nc2ccccc21
N-(2-ethyl-6-methylphenyl)-2-[2-(2-hydroxyethylamino)benzimidazol-1-yl]acetamide