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: c1ccc(Nc2ccc3ccccc3c2)cc1
b: CCN(CC)CCC(CC=C(C)C)(C(N)=O)c1cccc2ccccc12
c: O=S(=O)(O)c1ccc2ccccc2c1
d: CCCc1ccccc1
e: C=C(C)C(=O)OC[Si]12OCCN(CCO1)CCO2
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}