Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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. CC(C)C=O
b. CC(C)(C)C(=O)CC#N
c. Cc1c(C(=O)NCCO)[n+]([O-])c2ccccc2[n+]1[O-]
d. COP(=S)(OC)SCC(N)=O
e. CC(=O)Nc1ccc2c(c1)sc1ccccc12
Answer: c
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}