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: CCOP(=O)(OCC)Oc1ccc(S(C)(=O)=O)cc1
b: N#CC(Cl)CS(=O)(=O)c1ccccc1
c: CCOc1ccc2cc(S(=O)(=O)O)ccc2c1N
d: CCC1(c2ccccc2)CCC(=O)N1
e: C=CCc1ccc(O)c(OC)c1
Answer: e
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}