Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -2.005\% 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] CCOC(=O)N1CCN(C(=O)c2oc3ccc(S(=O)(=O)N4CCCCCC4)cc3c2C)CC1
[b] Cn1c(C(=O)O)c(CC(=O)NCC2COc3ccccc3O2)c2ccccc21
[c] CCOc1cc(C2C(C(=O)O)c3cc(OCC)c(OCC)cc3C(=O)N2C)ccc1O
[d] CCN(CC)c1ccc(C(=O)NNC(=O)CCl)cc1.Cl
[e] COc1ccc2[nH]c(=O)c(CNc3cccc(C)c3)cc2c1
Answer: a. CCOC(=O)N1CCN(C(=O)c2oc3ccc(S(=O)(=O)N4CCCCCC4)cc3c2C)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#}
ethyl 4-[5-(azepan-1-ylsulfonyl)-3-methyl-1-benzofuran-2-carbonyl]piperazine-1-carboxylate