Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -2.682\% 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: CC(C)(C)NC(=O)c1ccc2c(c1)N(CC(=O)NC1CCCC1)C(=O)C(C)(C)O2
b: CCNC(=S)Nc1ccc(Cl)c([N+](=O)[O-])c1
c: O=[N+]([O-])c1ccc(Cc2ccccn2)cc1
d: CC(CCc1ccccc1)NC(=O)Cc1ccc([N+](=O)[O-])cc1
e: CCn1c(CN2CCCCC2)nc2cc(S(=O)(=O)N3CCCCC3)ccc21
Answer: b. CCNC(=S)Nc1ccc(Cl)c([N+](=O)[O-])c1
{#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#}
CCNC(=S)Nc1ccc(Cl)c([N+](=O)[O-])c1
CCNC(=S)Nc1ccc(Cl)c([N+](=O)[O-])c1
1-(4-chloro-3-nitrophenyl)-3-ethylthiourea