Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a. CN(CCCN)CCCN
b. C1COC(OCC2CO2)C(OCC2CO2)O1
c. CCCCCCCCOP(=O)(O)OCCC(Cl)Cl
d. CC(O)CF
e. CC1OCN=C(c2ccccc2)S1
Answer: b
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}