Task: Answer the MCQ question.
Query: Which compound exhibits a 6.888\% 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 other words.
Options:
a) Cn1c(=O)n(Cc2ccccc2)c(=O)c2c1nc1n2CCN1Cc1ccco1
b) COC(=O)c1ccccc1OC(=O)c1cc2ccccc2oc1=O
c) CC1(C)CC(=O)C(C(c2cccc([N+](=O)[O-])c2)C2C(=O)CC(C)(C)CC2=O)C(=O)C1
d) COc1cccc(Nc2nnc(SCC(=O)Nc3sccc3C(N)=O)s2)c1
e) CCN1C(=O)[C@@H]2[C@@H](c3ccc(-c4ccccc4)cc3)N3CCCC[C@@]3(C(=O)OC)[C@@H]2C1=O.O=C(O)C(F)(F)F
Answer: a. Cn1c(=O)n(Cc2ccccc2)c(=O)c2c1nc1n2CCN1Cc1ccco1
{#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#}
Cn1c(=O)n(Cc2ccccc2)c(=O)c2c1nc1n2CCN1Cc1ccco1
Cn1c(=O)n(Cc2ccccc2)c(=O)c2c1nc1n2CCN1Cc1ccco1
2-benzyl-6-(furan-2-ylmethyl)-4-methyl-7,8-dihydropurino[7,8-a]imidazole-1,3-dione