Task: Answer the MCQ question.
Question: Which compound exhibits a -1.277% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) CCN1CCN(c2nc(-c3ccccc3)c3ccccc3n2)CC1
b.) O=[N+]([O-])c1ccccc1OCCN1CCOCC1
c.) COc1cccc(CN(C)CC(=O)Nc2cccc(C(F)(F)F)c2)c1OC
d.) COc1ccc(-c2ccc(SCC(=O)N3CCOCC3)nn2)cc1
Answer: b. O=[N+]([O-])c1ccccc1OCCN1CCOCC1
{#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#}
O=[N+]([O-])c1ccccc1OCCN1CCOCC1
O=[N+]([O-])c1ccccc1OCCN1CCOCC1
4-[2-(2-nitrophenoxy)ethyl]morpholine