Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 17.750\% 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.) S=C(Nc1ccc(Br)cc1)NC1CCN(Cc2ccccc2)CC1
b.) CCOC(=O)c1cc(-c2nnc(-c3ccc(Oc4ccccc4)cc3)o2)c(C)nc1C
c.) Cc1ccc2cc(CCNC(=O)CC(C)(C)C)c(=O)[nH]c2c1C
d.) CCCCn1c(O)c(/C=N/N2CCOCC2)c(=O)[nH]c1=S
e.) O=C(NN1C(=O)C2C(C1=O)C1C=CC2C12CC2)c1ccccc1
Answer: b. CCOC(=O)c1cc(-c2nnc(-c3ccc(Oc4ccccc4)cc3)o2)c(C)nc1C
{#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)c1cc(-c2nnc(-c3ccc(Oc4ccccc4)cc3)o2)c(C)nc1C
CCOC(=O)c1cc(-c2nnc(-c3ccc(Oc4ccccc4)cc3)o2)c(C)nc1C
ethyl 2,6-dimethyl-5-[5-(4-phenoxyphenyl)-1,3,4-oxadiazol-2-yl]pyridine-3-carboxylate