Task: Answer the multiple choice question.
Query: Which drug has a 2.270\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CCOc1ccc(C(C)NC(=O)CCC(=O)O)cc1
b: Cc1ccc(-c2cc(C(=O)NCc3cccnc3)no2)cc1
c: Cc1cc(O)c(C(C)C)cc1N=Cc1ccccc1O
d: CCCC(=O)Nc1ccc(-c2cn3cccnc3n2)cc1
e: Cl.Clc1ccccc1C(c1nnnn1Cc1ccco1)N1CCN(Cc2ccco2)CC1
Answer: a. CCOc1ccc(C(C)NC(=O)CCC(=O)O)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(C(C)NC(=O)CCC(=O)O)cc1
CCOc1ccc(C(C)NC(=O)CCC(=O)O)cc1
[C][C][O][C][=C][C][=C][Branch1][P][C][Branch1][C][C][N][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O][C][=C][Ring1][S]
4-[1-(4-ethoxyphenyl)ethylamino]-4-oxobutanoic acid