Task: Answer the multiple-choice question.
Query: Which drug exhibits a -6.680\% 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 other words.
Options:
a) CC(C)(C)n1ncc2c(=O)n(CC(=O)Nc3ccc4c(c3)OCCO4)cnc21
b) O=C(CCCC(=O)NC1CCCCC1)Nc1ccc([N+](=O)[O-])cc1
c) CN(CC(=O)Nc1cccc(F)c1)C(=O)CN1C(=O)NC2(CCCC2)C1=O
d) Cc1ccc(NC2CCCN(C(=O)CCCN3CCCCC3=O)C2)cc1C
Answer: b. O=C(CCCC(=O)NC1CCCCC1)Nc1ccc([N+](=O)[O-])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#}
O=C(CCCC(=O)NC1CCCCC1)Nc1ccc([N+](=O)[O-])cc1
O=C(CCCC(=O)NC1CCCCC1)Nc1ccc([N+](=O)[O-])cc1
[4-[[5-(cyclohexylamino)-5-oxopentanoyl]amino]phenyl]-oxido-oxoazanium