Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a: CC1(C)C2CCC1(C)C(OC(=O)CSC#N)C2
b: CCCN(CCC)N=O
c: COc1ccc2c(c1)c(CC(=O)OC(C)c1ccccc1)c(C)n2C(=O)c1ccc(Cl)cc1
d: O=C(Cl)CCCCCCCCC(=O)Cl
e: CCCC(C)COCCOCCO
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}