Task: Answer the multiple-choice question.
Query: Which compound exhibits a -6.670\% 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, d, or e without using any other words.
Options:
a.) CN(Cc1ccc(F)cc1)C(=O)C(Cc1ccccc1)NC(=O)c1ccccc1
b.) CC(CN1CCCC1)C(=O)NN
c.) CC(=O)Nc1ccc2nc(-c3cccn3C)[nH]c2c1
d.) COc1cc(/C=C/C(=O)O)cc(S(=O)(=O)Nc2ccccc2Cl)c1OC
e.) CCN1CCN(Cc2ccc(NC(=O)c3ccc(C)c(NC(=O)N4CCNC4=O)c3)cc2C(F)(F)F)CC1.O=C(O)C(F)(F)F
Answer: b. CC(CN1CCCC1)C(=O)NN
{#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(CN1CCCC1)C(=O)NN
CC(CN1CCCC1)C(=O)NN
2-methyl-3-pyrrolidin-1-ylpropanehydrazide