Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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. COP(N)(=S)Oc1cc(Cl)c(Cl)cc1Cl
b. CN(C)C(=O)Nc1ccc(SC(F)(F)Cl)c(Cl)c1
c. COc1ccc(NC(=O)N(C)C)cc1Cl
d. CCOP(=S)(OCC)SC(C#N)c1ccccc1
e. CCCCCCc1ccccc1O
Answer: d
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}