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] CCC(COC(=O)CC(C)=O)(COC(=O)CC(C)=O)COC(=O)CC(C)=O
[b] Clc1cccc(Cl)c1Nc1ncccn1
[c] O=c1oc(-c2ccccc2)nc2ccccc12
[d] C1CN1c1nc(N2CC2)nc(N2CC2)n1
[e] Nc1nnc(-c2cccc(Cl)c2Cl)c(N)n1
Answer: c
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}