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 other words.
Options:
a. Oc1c(I)cc(I)cc1I
b. O=Cc1ccc([N+](=O)[O-])cc1
c. O=P(O)(O)c1ccccc1
d. O=C(NC1CCSC1=O)c1cccnc1
e. Cc1cc(N)ccc1S(=O)(=O)NCCO
Answer: a
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}