Task: Answer the multiple-choice question.
Question: Which compound has a 0.155\% 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. COc1cc(C2/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2Cc2ccco2)cc(OC)c1OC
b. Cn1nc(C(=O)OCC(=O)Nc2ccccc2[N+](=O)[O-])c2ccccc2c1=O
c. CC1(C)Cc2c(c(N3CCOCC3)nc3snc(Br)c23)CO1
d. C=CCn1c(O)c(C(C)=NC2CC2)c(=O)[nH]c1=O
Answer: b. Cn1nc(C(=O)OCC(=O)Nc2ccccc2[N+](=O)[O-])c2ccccc2c1=O
{#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#}
Cn1nc(C(=O)OCC(=O)Nc2ccccc2[N+](=O)[O-])c2ccccc2c1=O
Cn1nc(C(=O)OCC(=O)Nc2ccccc2[N+](=O)[O-])c2ccccc2c1=O
[2-(2-nitroanilino)-2-oxoethyl] 3-methyl-4-oxophthalazine-1-carboxylate