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. CCOC(=O)C=Cc1ccc(Cl)cc1
b. O=C(OOC(=O)c1ccccc1)c1ccccc1
c. COP(=O)(OC)OC(=CCl)c1ccc(Cl)cc1Cl
d. CC(=O)CCc1ccccc1
e. FC(F)=C(F)c1ccccc1
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}