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: Cc1cc(O)ccc1S(C)(=O)=O
b: CCN(CC)S(=O)(=O)c1ccccc1
c: O=[N+]([O-])c1ccc(Oc2c(F)cc(Cl)cc2Cl)cc1
d: CCOC(C1=NCC(C)(C)CN1)c1ccc(OC)cc1
e: CC(=O)Oc1ccccc1C(N)=O
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}