Task: Answer the MCQ question.
Query: Which compound exhibits a 1.775% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCn1c(COc2c(C)cccc2C)nnc1SCc1nc2ccccc2c(=O)[nH]1
[b] CCCCn1c(=O)cc(N2CCOCC2)[nH]c1=O
[c] O=C(Nc1ccc(NC(=O)c2cccs2)cc1)c1ccco1
[d] CCOC(=O)N1CCN(S(=O)(=O)c2ccc(OC)c3ccccc23)CC1
[e] CCOC(=O)[C@H]1[C@H]2COc3cc(OC)ccc3[C@@H]2N2C(=O)CN(CC3CCCO3)C(=O)[C@@]12C
Answer: b. CCCCn1c(=O)cc(N2CCOCC2)[nH]c1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCn1c(=O)cc(N2CCOCC2)[nH]c1=O
CCCCn1c(=O)cc(N2CCOCC2)[nH]c1=O
3-butyl-6-morpholin-4-yl-1H-pyrimidine-2,4-dione