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] O=[N+]([O-])c1ccccc1Cl
[b] CCCCOCCOC(=O)COc1cc(Cl)c(Cl)cc1Cl
[c] CC(C)C1CCC2CC(O)CCC2C1
[d] O=c1[nH]c(=O)n(C2CCCO2)cc1F
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}