Task: Answer the multiple-choice question.
Question: Which compound has a 8.451\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCCn1cc(CN2CCC(Oc3ccc(C(=O)N4CCCC4)cc3)CC2)c(C)n1
[b] CN1CCN(c2ccc(NC(=O)COc3ccccc3[N+](=O)[O-])cc2)CC1
[c] O=C(CSc1ncccn1)N1CCN(S(=O)(=O)c2ccccc2)CC1
[d] CCOc1ccc(-n2c(SCc3ccc(C(=O)OC)o3)nc3c(c2=O)SCC3)cc1
Answer: b. CN1CCN(c2ccc(NC(=O)COc3ccccc3[N+](=O)[O-])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#}
CN1CCN(c2ccc(NC(=O)COc3ccccc3[N+](=O)[O-])cc2)CC1
CN1CCN(c2ccc(NC(=O)COc3ccccc3[N+](=O)[O-])cc2)CC1
N-[4-(4-methylpiperazin-1-yl)phenyl]-2-(2-nitrophenoxy)acetamide