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, or d without using any additional words.
Options:
a: C(OCC1CO1)C1CO1
b: CCOP(=S)(OCC)Oc1cc2ccccc2oc1=O
c: CCOP(=S)(OCC)SCSP(=S)(OCC)OCC
d: CCOC(=O)C1CCCCC1C(=O)OCC
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}