Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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.) c1cc[n+]2c(c1)-c1cccc[n+]1CC2
b.) c1cc2c(cc1C1CO1)O2
c.) CC(C)CNC(=O)CF
d.) C=C[Si](OCCOC)(OCCOC)OCCOC
e.) CCCOP(=S)(OCC)SCN1C(=O)c2ccccc2C1=O
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}