Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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. O=C(O)c1ccccc1O
b. CC(O)COc1ccccc1
c. CCSC(=O)Oc1c(C(C)CC)cc([N+](=O)[O-])cc1[N+](=O)[O-]
d. CCC(C)OC(CBr)c1cccc(Cl)c1
e. CNC(=O)Oc1cc(C)cc(C(C)C)c1
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}