Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] CCCCCCCCOC(=O)c1cc(O)c(O)c(O)c1
[b] CCc1ccc(C(=O)c2ccccc2)c(C(=O)O)c1
[c] CCOP(=S)(NC(C)C)Oc1cnn(C)c(=O)c1OC
[d] CCOc1cc(Oc2ccc(C(F)(F)F)cc2Cl)ccc1[N+](=O)[O-]
[e] COP(=S)(OC)SCCSc1ccc(Cl)cc1
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}