Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 4.721\% 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: O=C(Nc1ccc(Br)cc1)Nn1cnnc1
b: CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)CC1
c: O=C(NC1CCCC1)C1CC(=O)N(C2CCCCCCC2)C1
d: COc1ccc(-c2cc(C(=O)Nc3cc(C)ccc3O)no2)cc1
e: CC(C)(C)NC(=O)c1ccc(COCC(F)(F)F)o1
Answer: b. CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)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#}
CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)CC1
CN1CCN(c2ccccc2NC(=O)c2ccc(N3CCOCC3)c([N+](=O)[O-])c2)CC1
N-[2-(4-methylpiperazin-1-yl)phenyl]-4-morpholin-4-yl-3-nitrobenzamide