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. CC(C)CC(C)Nc1ccc(Nc2ccccc2)cc1
b. CCN(CC)C(=O)C(Cl)=C(C)OP(=O)(OC)OC
c. CCCCCCCCCCCCCCCN
d. FC(F)(F)c1nc2c(Br)ccc(Br)c2[nH]1
e. CCCCCCOCCCCCC
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}