Task: Answer the multiple choice question.
Question: Which compound exhibits a 4.300\% 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. COc1ccc(COC(=O)c2ccc(S(=O)(=O)N3CCCCC3)cc2)cc1OC
b. CC(C)CCN1CCN(CC#Cc2ccccc2)CC1CCO
c. Cc1ccc(NC(=S)N/N=C/c2ccc(OCCC(C)C)cc2)c(C)c1
d. COc1cc(-c2nnc(SCC(=O)N(Cc3ccccc3)C(C)(C)C)o2)cc(OC)c1OC
e. O=C(NN1C(=O)c2ccccc2NC1c1ccoc1)c1ccccc1
Answer: b. CC(C)CCN1CCN(CC#Cc2ccccc2)CC1CCO
{#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#}
CC(C)CCN1CCN(CC#Cc2ccccc2)CC1CCO
CC(C)CCN1CCN(CC#Cc2ccccc2)CC1CCO
2-[1-(3-methylbutyl)-4-(3-phenylprop-2-ynyl)piperazin-2-yl]ethanol