Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a. CCCCCC1CCC(=O)O1
b. CC(=O)Oc1ccccc1C(=O)OC(=O)c1ccccc1OC(C)=O
c. O=NN1CC=CCO1
d. CC1(C)C2CCC1(C)C(O)C2
e. Cn1cc[nH]c1=S
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}