Task: Answer the multiple choice question.
Question: Which compound has a 4.659\% 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] C=C1c2ccccc2NC(=O)N1c1ccc(C)cc1
[b] CCc1nnc(NC(=O)c2ccc(S(=O)(=O)N(CC(C)C)CC(C)C)cc2)o1
[c] CCOC(=O)c1ccc(N2C(=O)C(CC(=O)NC)N(CCc3ccc(OC)c(OC)c3)C2=S)cc1
[d] CCOc1cc(C)c(Cl)cc1S(=O)(=O)N(CC)CC
[e] C=C(C)C(=O)Nc1cccc(C2=NOC3(C2)C[C@@H](C(N)=O)N(C(=O)C(=C)C)C3)c1
Answer: c. CCOC(=O)c1ccc(N2C(=O)C(CC(=O)NC)N(CCc3ccc(OC)c(OC)c3)C2=S)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-[3-[2-(3,4-dimethoxyphenyl)ethyl]-4-[2-(methylamino)-2-oxoethyl]-5-oxo-2-sulfanylideneimidazolidin-1-yl]benzoate