Task: Answer the MCQ question.
Query: Which drug exhibits a -4.702\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a O=C(COC(=O)c1cccc(S(=O)(=O)NCc2ccccc2)c1)NCC1CCCO1
b Cc1cccc(OCCCC(=O)Nc2ccc3c(c2)OCO3)c1
c CCOc1ccc(C(=O)NC(=S)Nc2ccccc2N2CCOCC2)cc1Br
d CCOC(=O)Cn1c(=O)c2c(nc(N3CCCCC3)n2C)n(C)c1=O
e O=C(Cc1n[nH]c(=O)c2ccccc12)Nc1cccc(S(=O)(=O)N2CCCCCC2)c1
Answer: d. CCOC(=O)Cn1c(=O)c2c(nc(N3CCCCC3)n2C)n(C)c1=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#}
CCOC(=O)Cn1c(=O)c2c(nc(N3CCCCC3)n2C)n(C)c1=O
CCOC(=O)Cn1c(=O)c2c(nc(N3CCCCC3)n2C)n(C)c1=O
ethyl 2-(3,7-dimethyl-2,6-dioxo-8-piperidin-1-ylpurin-1-yl)acetate