Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) C=CCOC(=O)OC(=C)C(=O)OCC=C
b.) COC(=O)C[N+](=O)[O-]
c.) COc1ccc2ccc(=O)oc2c1CC=C(C)C
d.) O=[N+]([O-])OCCOCCO[N+](=O)[O-]
e.) CN(C)CC1CCCCC1
Answer: e
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}