Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -20.912\% human ether-à-go-go related gene (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] CCOc1ccccc1N1CN(CC)CNC1=S
[b] Cc1cccc(Oc2ccc(N)cc2)c1
[c] Cc1cc(C)cc(NC(=O)CSc2nnc(-c3ccc(S(=O)(=O)N4CCCC4)cc3)o2)c1
[d] CCCCn1c(=O)[nH]c(=O)c2c1nc(COC(=O)c1c(C)noc1C)n2CCC
[e] OCC1(Cc2ccc(F)cc2)CCCN(Cc2ccc(F)cc2Cl)C1
Answer: d. CCCCn1c(=O)[nH]c(=O)c2c1nc(COC(=O)c1c(C)noc1C)n2CCC
{#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#}
CCCCn1c(=O)[nH]c(=O)c2c1nc(COC(=O)c1c(C)noc1C)n2CCC
CCCCn1c(=O)[nH]c(=O)c2c1nc(COC(=O)c1c(C)noc1C)n2CCC
(3-butyl-2,6-dioxo-7-propylpurin-8-yl)methyl 3,5-dimethyl-1,2-oxazole-4-carboxylate