Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.870\% 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] COCCCN1C(=O)CC(C(=O)OC)=C1C
[b] Cc1nnc(SCC(=O)NC2CCCc3c2cnn3-c2ccc(F)cc2F)o1
[c] CC(CNS(=O)(=O)c1cc(Cl)ccc1Cl)CN(C)C
[d] O=C(Cc1ccsc1)NCC(=O)Nc1ccc(F)c(F)c1
[e] CC(=O)c1cccc(NC(=O)c2ccc3c(Cl)c4c(nc3c2)CCCC4)c1
Answer: a. COCCCN1C(=O)CC(C(=O)OC)=C1C
{#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#}
COCCCN1C(=O)CC(C(=O)OC)=C1C
COCCCN1C(=O)CC(C(=O)OC)=C1C
methyl 1-(3-methoxypropyl)-5-methyl-2-oxo-3H-pyrrole-4-carboxylate