Task: Answer the multiple-choice question.
Question: Which compound exhibits a -26.346\% 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 other words.
Options:
a.) Cc1ccc2[nH]c(=O)c(CN(CCCN(C)C)C(=O)Nc3cccc(Cl)c3)cc2c1
b.) CCOc1cc(C)nc(NCc2ccccc2)n1
c.) O=C(C1CC(c2ccc(F)cc2)=NO1)N1CCN(Cc2ccccc2)CC1
d.) COCc1cc(C)nc(OCC(=O)N/N=C/c2ccc(C)cc2)c1C#N
Answer: a. Cc1ccc2[nH]c(=O)c(CN(CCCN(C)C)C(=O)Nc3cccc(Cl)c3)cc2c1
{#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#}
Cc1ccc2[nH]c(=O)c(CN(CCCN(C)C)C(=O)Nc3cccc(Cl)c3)cc2c1
Cc1ccc2[nH]c(=O)c(CN(CCCN(C)C)C(=O)Nc3cccc(Cl)c3)cc2c1
3-(3-chlorophenyl)-1-[3-(dimethylamino)propyl]-1-[(6-methyl-2-oxo-1H-quinolin-3-yl)methyl]urea