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, or d without using any additional words.
Options:
a) CC(C)(N=C=O)c1cccc(C(C)(C)N=C=O)c1
b) CC=Cc1ccccc1
c) CCC(=O)OC(Cc1ccccc1)(c1ccccc1)C(C)CN(C)C
d) Nc1ccc2ccccc2c1
Answer: d
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}