Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a CCOP(=O)(OC=CCSCC)OCC
b ClC=CCCl
c Cc1ccc(S(=O)(=O)Oc2cc(S(=O)(=O)O)cc3cc(S(=O)(=O)O)cc(N)c23)cc1
d CC(C)CCCCCOP(OCCCCCC(C)C)OCCCCCC(C)C
e O=C(O)CCSCCC(=O)O
Answer: b
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}