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. CNC(=O)C(Cl)C(C)=O
b. OCC(O)C1CC=CCC1
c. Cc1c(N(C)C)c(=O)n(-c2ccccc2)n1C
d. O=C=NCCCCCCN=C=O
e. CCOc1nc(C(Cl)(Cl)Cl)ns1
Answer: e
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}