Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] Oc1c(Cl)cc(Cl)c(Cl)c1Cl
[b] OCC1OC(n2cnc3c(NCC(c4ccccc4)c4ccccc4)ncnc32)C(O)C1O
[c] CCCCCCC(C=O)=Cc1ccccc1
[d] CCOC(C1=NCC(C)(C)CN1)c1ccccc1
[e] NC(Cc1ccc(O)c(O)c1)C(=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}