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: CC(Oc1ccc(Oc2nc3ccc(Cl)cc3o2)cc1)C(=O)O
b: CC(C)=O
c: C1COCCOCCOCCO1
d: O=[N+]([O-])c1cc(Br)c2nc(C(F)(F)F)[nH]c2c1
e: CCCCCCOCCOC(=O)CCC(=O)OCCOCCCCCC
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}