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, or d without using any additional words.
Options:
a) CCCNC(=O)NS(=O)(=O)c1ccc(Cl)cc1
b) ClC(Cl)(Cl)c1ccc(C(Cl)(Cl)Cl)cc1
c) CC(C)COC(=O)c1ccccc1
d) CCCNC(=O)C(C)Nc1ccc(OCC)cc1
Answer: c
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}