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 other words.
Options:
a. CS(=O)(=O)c1ccccc1
b. CCCOCCN(C(=O)CCl)c1c(CC)cccc1CC
c. CCC(=O)c1ccccc1
d. Nc1c(Cl)cc(Cl)cc1C(=O)O
e. O=C1OCC(CCl)O1
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}