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 other words.
Options:
a CC(CN(C)C)CN1c2ccccc2Sc2ccccc21
b COC(=O)C=Cc1ccccc1
c Cc1cc(C)c(C)c(C)c1
d CC(C)(O)C(C)(O)c1ccc(Cl)cc1
e CNC(=O)ON=C1SCC(=O)NC1C
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}