Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: CCCCNCC(O)COc1ccc(-c2c(-c3ccccc3)c(=O)oc3cc(OC)ccc23)cc1
b: C#CCOC(=O)CCCCC(=O)OCC#C
c: O=C(O)C(Cl)(Cl)Cl
d: c1ccc(OCC2CO2)cc1
e: c1ccc2scnc2c1
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}