Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a: C=CC(=O)O
b: Cc1cccc(C)c1Nc1ncccc1C(=O)O
c: ClC(Cl)(Cl)Cl
d: NC(=[NH2+])NCCCC(N)C(=O)[O-]
e: CCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCO
Answer: c
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}