Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) CCc1ccc([N+]([O-])=Cc2ccccc2)cc1
b) CCOP(=S)(CC)SCSc1ccc(Cl)cc1
c) CCCOP(=S)(OCCC)Oc1cnn(C)c(=O)c1OC
d) NCc1cccc(CN)c1
e) COc1c(OP(=S)(OC)OCC(C)C)cnn(C)c1=O
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}