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 additional words.
Options:
[a] O=NN(c1cccc(C(F)(F)F)c1)c1ccccc1C(=O)O
[b] Cc1ccc2[nH]c(C(F)(F)F)nc2c1[N+](=O)[O-]
[c] CCOC(=O)C(C)O
[d] CCC(CC)C(=O)OCC(Cl)(Cl)Cl
[e] CCOP(=O)(OC=C(Cl)Cl)OCCCl
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}