Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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 O=[N+]([O-])c1nccn1CC(O)CO
b CCOP(=S)(CC)SCN1C(=O)c2ccccc2C1=O
c CCN1CN(CC)CN(CC)C1
d CCC1(C)Oc2cccc(OC(=O)NC)c2O1
e CN1C(=O)CCS(=O)(=O)C1c1ccc(Cl)cc1
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}