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.) CC1CN(C(=O)Cn2c(=O)sc3ccccc32)CC(C)O1
b.) OCC1CCc2cc(C3CCCCC3)ccc21
c.) CCN(CC)c1nc(Cl)nc(N(CC)CC)n1
d.) Cc1cc(=NC(=O)c2ccccc2O)n(C)n1C
e.) CN(C)CCOc1ccccc1Cc1ccccc1
Answer: a
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}