Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a CC(C)(N)Cc1ccc(Cl)cc1
b C#CCOP(=O)(OCCC)c1ccccc1
c CN(C)c1nc(=O)n(C2CCCCC2)c(=O)n1C
d COc1ccc([N+](=O)[O-])cc1Cl
e COP(=S)(OC)Oc1ccc(S(=O)(=O)N(C)C)cc1
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}