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, or d without using any other words.
Options:
[a] CCCCC(CC)COCC1CO1
[b] CCCCCOc1ccc(C2SC(=O)NC2=O)cc1OCC
[c] CC(C)Oc1cccc(C2CC(=O)NC2=O)c1
[d] CC1CSC(c2ccccc2OC(=O)N(C)C)S1
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}