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 other words.
Options:
a.) CCN(CC)CC1CCCCN1CC(=O)N1c2ccccc2C(=O)Nc2cccnc21
b.) COc1ccc2c(c1)c(CC(=O)Oc1cccc(Cl)c1)c(C)n2C(=O)c1ccc(Cl)cc1
c.) CCc1ncc(C)nc1C
d.) O=C(C=Cc1ccccc1)OCC=Cc1ccccc1
e.) NN1C(=O)CSC1=S
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}