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 additional words.
Options:
a.) CC(C)=NN=C(C)C
b.) CNC
c.) O=C(Cl)CCl
d.) O=C(CS(=O)Cc1ccco1)NCC=CCOc1cc(CN2CCCCC2)ccn1
e.) CC(C(=O)O)c1ccc2c(c1)Cc1cccnc1O2
Answer: b
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}