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 additional words.
Options:
a) O=[N+]([O-])c1ccc(C=NO)cc1
b) CNC(=O)Oc1cc(C(C)C)c(OC(=O)NC)cc1C
c) O=c1[nH]c(=O)[nH]c(=O)[nH]1
d) CN(C)c1ccccc1
e) Nc1ccc(C(=O)c2ccccc2)c(C(=O)O)c1
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}