Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -18.924\% 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: Cl.Clc1ccc(COc2ccccc2CNCc2cccnc2)cc1
b: COc1ccc(NC(=O)N2CCc3ccccc3C2)c(OC)c1
c: COc1ccc(Nc2ncnc3sc(C)cc23)cc1.Cl
d: N#Cc1ccccc1NC(=O)CN1CCN(Cc2ccccc2)CC1
Answer: d. N#Cc1ccccc1NC(=O)CN1CCN(Cc2ccccc2)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#}
N#Cc1ccccc1NC(=O)CN1CCN(Cc2ccccc2)CC1
N#Cc1ccccc1NC(=O)CN1CCN(Cc2ccccc2)CC1
2-(4-benzylpiperazin-1-yl)-N-(2-cyanophenyl)acetamide