Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a.) CNC(=O)Oc1ccccc1C1OCC=CCO1
b.) CNc1cnn(-c2cccc(C(F)(F)F)c2)c(=O)c1Cl
c.) C=COCCCC
d.) Cc1ncc(COP(=O)(O)O)c(C=O)c1O
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}