Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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.) COc1ccc(C2=Cc3ccccc3OC2c2ccc(OCCN3CCCCC3)cc2)cc1
b.) O=[N+]([O-])c1ccc(Oc2c(F)cc(Cl)cc2Cl)cc1
c.) CCOc1ccc(C=O)cc1
d.) Cc1ccc(N)cc1O
e.) Cc1onc2c(=O)n(C)nc(-c3ccccc3)c12
Answer: d
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}