Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -2.319\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOc1ccc(-c2nc(C#N)c(NCC3CCCO3)o2)cc1
(b) CCOC(=O)C(CC)n1cnc2sc3c(c2c1=O)CCC3
Answer: a. CCOc1ccc(-c2nc(C#N)c(NCC3CCCO3)o2)cc1
{#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#}
CCOc1ccc(-c2nc(C#N)c(NCC3CCCO3)o2)cc1
CCOc1ccc(-c2nc(C#N)c(NCC3CCCO3)o2)cc1
[C][C][O][C][=C][C][=C][Branch2][Ring1][#Branch1][C][=N][C][Branch1][Ring1][C][#N][=C][Branch1][#Branch2][N][C][C][C][C][C][O][Ring1][Branch1][O][Ring1][=C][C][=C][Ring2][Ring1][Ring2]
2-(4-ethoxyphenyl)-5-(oxolan-2-ylmethylamino)-1,3-oxazole-4-carbonitrile