Task: Answer the multiple choice question.
Query: Which compound exhibits a 17.668\% 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) N#CCCN(Cc1ccccc1)C(=S)Nc1ccccc1
b) CCc1ccccc1NC(=O)NC1CCCCCCC1
c) O=C(NCc1cccs1)C1(S(=O)(=O)c2ccccc2)CC=CC1
d) COc1cc(N2C(=O)c3ccccc3C2=O)c(Cl)cc1C(=O)OCC(=O)N(C)C
e) Cc1ccc(NC(=O)Cn2nnc(C(=O)NCCc3ccccc3)c2N)c(C)c1
Answer: b. CCc1ccccc1NC(=O)NC1CCCCCCC1
{#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#}
CCc1ccccc1NC(=O)NC1CCCCCCC1
CCc1ccccc1NC(=O)NC1CCCCCCC1
1-cyclooctyl-3-(2-ethylphenyl)urea