Task: Answer the multiple choice question.
Question: Which compound has a -0.874% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COCc1cc(=O)[nH]c2cc(NC(=O)C(F)(F)F)c(C)cc12
b: CCO/C=C/C(=O)N(C)CCC#N
Answer: b. CCO/C=C/C(=O)N(C)CCC#N
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCO/C=C/C(=O)N(C)CCC#N
CCO/C=C/C(=O)N(C)CCC#N
(E)-N-(2-cyanoethyl)-3-ethoxy-N-methylprop-2-enamide