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 other words.
Options:
a. CCCOc1ccc(C=CC(=S)OCC)cc1OC
b. CC(C)COC(=O)c1ccccc1
c. CN(C)c1ccc(N)cc1
d. CCOc1ccc2cc(S(=O)(=O)O)ccc2c1N
e. CCCOP(=S)(OC)Oc1cnn(C)c(=O)c1OC
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}