Task: Answer the multiple choice question.
Question: Which compound exhibits a 13.504\% 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 additional words.
Options:
[a] CCOC(=O)CSc1cc(C)c(C#N)c2nc3ccccc3n12
[b] CNC(=S)N(CCc1c(C)[nH]c2ccccc12)Cc1cccnc1
[c] CC1C2(C)OC(=N)C(C#N)(C(C)O2)C1(C#N)C#N
[d] Cc1ccc(S(=O)(=O)N2CCN(C(=O)CSc3ncn[nH]3)CC2)cc1
Answer: c. CC1C2(C)OC(=N)C(C#N)(C(C)O2)C1(C#N)C#N
{#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#}
CC1C2(C)OC(=N)C(C#N)(C(C)O2)C1(C#N)C#N
CC1C2(C)OC(=N)C(C#N)(C(C)O2)C1(C#N)C#N
3-imino-1,5,7-trimethyl-2,6-dioxabicyclo[2.2.2]octane-4,8,8-tricarbonitrile