Task: Answer the multiple choice question.
Query: Which compound has a 19.381\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] Cc1cc(=O)oc2cc(OCc3nnc(-c4ccccc4Br)o3)ccc12
[b] CCOc1ccccc1NC(=O)C(=O)/C=C(\O)c1cc(OC)ccc1OC
[c] COc1ccc(C2CC(=O)Oc3c(C(CCN4CCCC(C)C4)c4ccc(N(C)C)cc4)c(OC)cc(OC)c32)cc1
[d] Cn1nnc2cc(C(=O)N3CCCCCC3)ccc21
[e] CC(=O)Nc1ccc(Nc2nc(-c3ccccc3)nc3ccccc23)cc1
Answer: b. CCOc1ccccc1NC(=O)C(=O)/C=C(\O)c1cc(OC)ccc1OC
{#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#}
CCOc1ccccc1NC(=O)C(=O)/C=C(\O)c1cc(OC)ccc1OC
CCOc1ccccc1NC(=O)C(=O)/C=C(\O)c1cc(OC)ccc1OC
(Z)-4-(2,5-dimethoxyphenyl)-N-(2-ethoxyphenyl)-4-hydroxy-2-oxobut-3-enamide