Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.624\% 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. COCCOC(=O)c1ccc(NC(=O)COc2ccc([N+](=O)[O-])cc2)cc1
b. COc1ccccc1CN1CCNC(=O)C1CC(=O)NC1CCCCCC1
c. CC(=O)Nc1ccc(S(=O)(=O)N2CCN(c3cc4c(cc3[N+](=O)[O-])n(C)c(=O)n4C)CC2)cc1
d. N#CCCn1nnc2ccccc21
Answer: b. COc1ccccc1CN1CCNC(=O)C1CC(=O)NC1CCCCCC1
{#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#}
N-cycloheptyl-2-[1-[(6-methoxyphenyl)methyl]-3-oxopiperazin-2-yl]acetamide