Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a.) NS(=O)(=O)C1CCCCC1
b.) O=C1C(N(CO)C(=O)NCO)N(CO)C(=O)N1CO
c.) CCOP(=S)(OC(C)C)ON1C(=O)c2ccccc2C1=O
d.) CCCCC(CC)COCCCN
Answer: d
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}