Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a. CC(CO)Oc1ccccc1
b. OCCOCCOCCOCCOc1ccccc1
c. Cc1cc(=O)n(CSP(=S)(OC(C)C)OC(C)C)nc1Cl
d. Oc1ccc(Cl)cc1Cl
e. O=C(O)c1ccc(Cl)cc1
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}