Task: Answer the multiple-choice question.
Query: Which compound has a 17.713\% 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: COc1cccc(NC(=O)CN(C)C(=O)c2ccc(N3CCCCC3)c([N+](=O)[O-])c2)c1
b: c1cc(-c2cccs2)nc(-c2cccs2)c1
c: COc1cc(CNC(C)C23CC4CC(CC(C4)C2)C3)ccc1OCC(=O)NC(C)(C)C.Cl
d: CCOc1ccccc1C(=O)NN1CCOCC1
Answer: d. CCOc1ccccc1C(=O)NN1CCOCC1
{#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#}
CCOc1ccccc1C(=O)NN1CCOCC1
CCOc1ccccc1C(=O)NN1CCOCC1
2-ethoxy-N-morpholin-4-ylbenzamide