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.) c1ccc2c(c1)-c1cccc3cccc-2c13
b.) CC(=O)CCC(=O)O
c.) CN1C(=O)CCS(=O)(=O)C1c1ccc(Cl)c(Cl)c1
d.) CNC(=O)ON=C1CSCCSC1
e.) Cc1ccc2c(c1)CC(=O)c1cc(C(C)C(=O)O)ccc1O2
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}