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 additional words.
Options:
[a] CCCc1cc(=O)[nH]c(=S)[nH]1
[b] CNC(=O)Oc1cccc2c1OC(C)(C)CC2
[c] C=CN(C)C(C)=O
[d] CN(C)C(=S)SSC(=S)NCCNC(=S)SSC(=S)N(C)C
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}