Task: Answer the multiple choice question.
Question: Which compound exhibits a 2.888\% 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, or d without using any other words.
Options:
[a] COc1ccc2nc(C)cc(SCC(=O)O)c2c1
[b] Cc1ccc(CN2CCN(/N=C/c3cc([N+](=O)[O-])ccc3Cl)CC2)cc1
[c] CCOc1ccc(OCC(=O)Nc2ccc(OC)cc2)cc1
[d] O=C(CC1C(=O)NCCN1Cc1ccccc1F)NC1CCCCCC1
Answer: b. Cc1ccc(CN2CCN(/N=C/c3cc([N+](=O)[O-])ccc3Cl)CC2)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#}
Cc1ccc(CN2CCN(/N=C/c3cc([N+](=O)[O-])ccc3Cl)CC2)cc1
Cc1ccc(CN2CCN(/N=C/c3cc([N+](=O)[O-])ccc3Cl)CC2)cc1
(E)-1-(2-chloro-5-nitrophenyl)-N-[4-[(4-methylphenyl)methyl]piperazin-1-yl]methanimine