Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CCOP(=S)(OCC)SCn1nnc2ccccc2c1=O
b) CCOC(C1=NCCCN1)c1ccc(Cl)cc1
c) CC=Cc1ccc(OP(=S)(OC)OC)c(OC)c1
d) Oc1ccc(Br)cc1Br
e) C=CC=NNc1ccccc1
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}