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.) CCC(C)N1C(=O)c2ccccc2C1=O
b.) FC(F)(F)c1nc2c(Cl)c(Cl)ccc2[nH]1
c.) CC(C)NC(=O)N1CC(=O)N(c2cc(Cl)cc(Cl)c2)C1=O
d.) CC(Cl)C(=O)O
e.) CCO[Si](C)(CCCC#N)OCC
Answer: b
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}