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, or d without using any other words.
Options:
a.) CCOc1cc(OCC)c(C(=O)CCC(=O)O)cc1OCC
b.) CC(C)=NOC(=O)Nc1ccccc1
c.) COc1ccc([N+](=O)[O-])cc1N
d.) CCOC(=O)NCCOc1ccc(Oc2ccccc2)cc1
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}