Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) CN(C)N=O
b) C1COCCOCCOCCOCCO1
c) Cc1cccc(N2CCN(CCCCN3C(=O)CNC3=O)CC2)c1
d) CC(C)CC(C)(C)CO
e) O=C1CCCN1c1cccc2cccnc12
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}