Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) CCCCCCCCCCc1ccccc1S(=O)(=O)O
b) CCC(=O)c1ccc(OCC(O)CO)c(OC)c1
c) C=C(OP(=O)(OCC)OCC)c1ccc(Cl)cc1Cl
d) C=Cc1ccc(OC(C)=O)cc1
e) C=Cc1ccc(C)cc1
Answer: d
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}