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, or c without using any other words.
Options:
a) CC(=O)OC12CCC(C)=CCC13CCC2C(C)(C=CC=C(C)C(=O)O)OC3=O
b) O=C(CCCCC(=O)OCC1CC=CCC1)OCC1CC=CCC1
c) C=CC(=O)OCCOCCOCCOCCOC(=O)C=C
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}