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) CC1Cc2cc3c(cc2C(c2ccc(N)cc2)=NN1)OCO3
b) C=CCc1ccc(OC)cc1
c) N#CCCN(CCO)c1ccccc1
d) Oc1ccccc1
e) COc1ccc([N+](=O)[O-])cc1CNCCBr
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}