Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] COP(=O)(OC)OC(C)=CC(=O)Oc1ccc(C)cc1
[b] CCCCCCCCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
[c] O=C1C(=O)c2ncccc2-c2cccnc21
[d] CC(C)c1ccc(CCO)cc1
[e] CCP(=S)(OC)Sc1ccc(C(C)(C)C)cc1
Answer: a
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}