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, or d without using any other words.
Options:
a.) CCN(CC)C(=O)CSc1ccc(Cl)nn1
b.) COc1ccc(Nc2ccc(OC)cc2)cc1
c.) CCOP(=O)(OCC)OC(=CC(=O)OC)CC(=O)OC
d.) COc1ccccc1C1C(Cl)C(=O)N1c1ccccc1C(=O)O
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}