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, d, or e without using any additional words.
Options:
a) O=C(CCc1ccccc1)OC1=C(OC(=O)CCc2ccccc2)C(=O)OC1=O
b) COc1ccc2c(c1)c(CC(=O)Oc1ccc(NC(C)=O)cc1)c(C)n2C(=O)c1ccc(Cl)cc1
c) Cc1cc(-n2c(C)nc3ccccc3c2=O)cc(C)c1O
d) C1CN2CCC1CC2
e) CC1(C)Cc2cccc(OC(=O)NCSc3ccc(Cl)cc3)c2O1
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}