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 COC(=O)CNCP(=O)(O)Oc1ccccc1
b O=CC=Cc1ccccc1
c O=[N+]([O-])c1cc(Cl)ccc1Cl
d COc1ccc(CCNCC(O)c2ccc(O)cc2)cc1OC
e CCOP(=S)(CC)Sc1ccccc1
Answer: a
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}