Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 5.779\% human ether-à-go-go related gene (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) COc1ccc(-c2ccccc2)cc1NC(=O)c1cccs1
(b) COc1ccc(C2C(C#N)=C(C)NC(C)=C2C#N)c(OC)c1
(c) O=[n+]1c2c(n([O-])c3ccccc31)CCC2
(d) Cc1ccc(S(=O)(=O)c2cc3ccccc3oc2=Nc2ccc3c(c2)OCO3)cc1
(e) COc1ccc(Nc2nc(C)c(-c3ccccc3)s2)cc1
Answer: c. O=[n+]1c2c(n([O-])c3ccccc31)CCC2
{#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=[n+]1c2c(n([O-])c3ccccc31)CCC2
O=[n+]1c2c(n([O-])c3ccccc31)CCC2
9-oxido-2,3-dihydro-1H-cyclopenta[b]quinoxalin-4-ium 4-oxide