Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
a) CNC(=O)Oc1cc(C)c(C)cc1Cl
b) CC(C)c1ccc(C(C)(C)O)cc1
c) ClC(Cl)(Cl)c1ccc(C(Cl)(Cl)Cl)cc1
d) Cc1c(C(N)=O)cc([N+](=O)[O-])cc1[N+](=O)[O-]
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}