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 other words.
Options:
[a] OC(CCl)CNCCNCC(O)CCl
[b] C=CCOC(=O)C=CC(=O)OCC=C
[c] FC(F)(F)c1nc2c(Cl)c(Cl)c(Br)cc2[nH]1
[d] Oc1cc(O)cc(Sc2cc(O)cc(O)c2)c1
[e] CC(C)=CCCC(C)=CC(=O)O
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}