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 additional words.
Options:
[a] COCCc1ccc(OCC(O)CNC(C)C)cc1
[b] CCOP(=S)(OCC)SCc1nnc(SC(C)C)s1
[c] CCCc1ccc(C)cc1O
[d] COc1c(O)c(Cl)c(Cl)c(Cl)c1Cl
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}