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] CCOP(=S)(OCC)SCn1nnc2ccccc2c1=O
[b] COc1ccc(O)c(C(C)(C)C)c1C(O)c1ncc([N+](=O)[O-])n1C
[c] CC(C)(C)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
[d] C=CC=NNc1ccccc1
[e] FC(F)C(F)(F)Oc1ccccc1
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}