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 additional words.
Options:
a.) CCN(CC)C(=O)c1ccc(OC)cc1O
b.) CCOP(=O)(OCC)SCn1nc(Cl)ccc1=O
c.) CN1CCN(C(=O)Cn2c(=O)sc3ccc(Cl)cc32)CC1
d.) Cc1ccccc1N=NN(C)C
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}