Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) O=C(NP(=O)(N1CC1)N1CC1)c1ccccc1
b.) COP(C)(=S)SCSc1ccc(Cl)cc1
c.) CC(C(=O)O)c1ccc(-n2cc3ccccc3n2)cc1
d.) CC(C)NP(O)(=S)Oc1cc(Cl)c(Cl)cc1Cl
e.) C=CC(=O)OCCOc1ccccc1
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}