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] CCOP(=S)(OCC)OC(=CCl)c1cc(Cl)ccc1Cl
[b] CC(C)=CCN(CC=C(C)C)CCC(C(N)=O)c1cccc2ccccc12
[c] CCCN(CCC)C(=O)SCc1ccccc1
[d] Clc1cc(Cl)c(Cl)c(Cl)c1
[e] ClP(Cl)Oc1ccccc1
Answer: a
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}