Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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(=O)c1cccc([N+](=O)[O-])c1
(b) CC(Oc1ccc2ccccc2c1)C(=O)Nc1ccccc1
(c) CCOP(=O)(OCC)SCn1ncccc1=O
(d) CCN(CCO)c1cccc(C)c1
(e) COc1ccc(OC)c(CC(C)N)c1
Answer: d
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}