Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a: CNC(=O)ON=C1SCC(=O)NC1C
b: CC(C)c1cccc(OC(=O)N(C)C)c1
c: Cc1ccc2ncccc2c1
d: COP(=S)(OC)SCc1nnc(SC(C)C)s1
e: CCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
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}