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(C)c1ccc2c(c1)CCC1C(C)(C(=O)O)CCCC21C
b. CSC(=S)N(C)C
c. COC(=O)C=CC(=O)OC
d. CC(C)OC(C)C
e. Nc1ccc2sc(-c3ccccc3)nc2c1
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}