Task: Answer the multiple choice question.
Query: Which compound exhibits a -0.811\% 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 other words.
Options:
a COC(=O)CCC(=O)Nc1cccc(Cl)c1
b COc1ccc(-c2nnc(SCC(=O)Nc3ccc4c(c3)OCCO4)n2N)cc1OC
c Cl.N=C(N)SCc1ccc(O)c([N+](=O)[O-])c1
d CCCOC(=O)NC(CC)COC(=O)Nc1cccc(C)c1C
e COCC(=O)Nc1cccc2ccccc12
Answer: a. COC(=O)CCC(=O)Nc1cccc(Cl)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#}
COC(=O)CCC(=O)Nc1cccc(Cl)c1
COC(=O)CCC(=O)Nc1cccc(Cl)c1
methyl 4-(3-chloroanilino)-4-oxobutanoate