Task: Answer the multiple-choice question.
Question: Which compound exhibits a -20.162\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) Cc1ccccc1OCC(=O)NCC(c1cccs1)N1CCOCC1
(b) O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCCC1
(c) CC(C)CC(NC(=O)C(NC(=O)C1OC2OC(C)(C)OC2C2OC(C)(C)OC12)C(C)C)C(=O)O
(d) COc1cccc(OC)c1OCCCNC1CCCC1.O=C(O)C(=O)O
(e) CCOC(=O)Cn1nc(/C=C/c2ccccc2)ccc1=O
Answer: b. O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCCC1
{#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(Cn1ccc([N+](=O)[O-])n1)N1CCCCC1
O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCCC1
2-(3-nitropyrazol-1-yl)-1-piperidin-1-ylethanone