Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a ClCCOCCOCCCl
b NS(=O)(=O)c1cc(C(=O)O)c(NCc2ccco2)cc1Cl
c CNC(=O)Oc1ccc(C)c2c1OC(C)(C)O2
d CC(=O)C(C)=O
e C=C(C)C(=O)OCC(=O)OCC
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}