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, d, or e without using any other words.
Options:
[a] O=S(=O)(O)c1ccc2cc(Nc3cccc4c(O)c(S(=O)(=O)O)ccc34)ccc2c1O
[b] CCCCCCCCn1sccc1=O
[c] Cc1cc(NC(=O)c2ccccc2O)n(-c2ccccc2)n1
[d] S=C(NNc1ccccc1)NNc1ccccc1
[e] CC(=O)C=C1CCC2C13CCC(C)C(C3)C2(C)C
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}