Task: Answer the multiple choice question.
Question: Which compound has a 15.489\% 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 other words.
Options:
[a] CCCCn1c(CN2CCOCC2)nc2c1c(=O)n(C)c(=O)n2C
[b] CCOC(=O)N1CCN(S(=O)(=O)c2cc(Cl)c(OC)cc2Cl)CC1
[c] COc1ccc(CC(=O)OC(C)C(=O)c2ccc(C)cc2)cc1
[d] N#Cc1cn(CC(=O)NCCc2c[nH]c3ccccc23)c2ccccc12
[e] CSc1ccccc1NC(=O)COc1ccc(Cl)cc1
Answer: b. CCOC(=O)N1CCN(S(=O)(=O)c2cc(Cl)c(OC)cc2Cl)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-(2,5-dichloro-4-methoxyphenyl)sulfonylpiperazine-1-carboxylate