Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 6.365\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=[N+]([O-])c1ccc2c(c1)[nH]c(=S)n2-c1ccccc1
b: CCCCOC(=O)Nc1cc(C)c(Cl)cc1OC
c: CCOC(=O)N1CCN(C(=O)CSc2nnc(-c3cc(OC)cc(OC)c3)o2)CC1
d: COc1ccccc1CN1CCN(Cc2nc(-c3ccccc3)no2)CC1
Answer: c. CCOC(=O)N1CCN(C(=O)CSc2nnc(-c3cc(OC)cc(OC)c3)o2)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#}
CCOC(=O)N1CCN(C(=O)CSc2nnc(-c3cc(OC)cc(OC)c3)o2)CC1
CCOC(=O)N1CCN(C(=O)CSc2nnc(-c3cc(OC)cc(OC)c3)o2)CC1
ethyl 4-[2-[[5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]acetyl]piperazine-1-carboxylate