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) COP(C)(=S)Oc1ccc(S(C)=O)c(C)c1
b) FC(F)(F)c1ccc(Cl)cc1
c) C=CC(C)(CCC=C(C)C)OC(=O)C=Cc1ccccc1
d) CCCCOC(C)COC(=O)COc1cc(Cl)c(Cl)cc1Cl
e) Nc1ccc(S(=O)(=O)O)c(N)c1
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}