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.) COc1coc(CSP(=O)(OC)OC)cc1=O
b.) CC1=CC(=O)CC(C)(C)C1
c.) CN(C)P(=O)(N(C)C)N(C)C
d.) CN(C)CCOCCOC(=O)C1(c2ccccc2)CCCC1
e.) Cc1nc(C)c(Cl)c(O)c1Cl
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}