Task: Answer the MCQ question.
Query: Which drug exhibits a 11.884\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCC(CC)C(=O)NCCc1ccc(OC)c(OC)c1
[b] O=C1c2ccccc2C(Nc2cccc(C(F)(F)F)c2)N1Cc1ccco1
Answer: a. CCC(CC)C(=O)NCCc1ccc(OC)c(OC)c1
{#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#}
CCC(CC)C(=O)NCCc1ccc(OC)c(OC)c1
CCC(CC)C(=O)NCCc1ccc(OC)c(OC)c1
[C][C][C][Branch1][Ring1][C][C][C][=Branch1][C][=O][N][C][C][C][=C][C][=C][Branch1][Ring1][O][C][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2]
2-ethyl-N-[2-(4,5-dimethoxyphenyl)ethyl]butanamide