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 additional words.
Options:
a. COC(=O)C(C)=COP(=S)(OC)OC
b. N#CC(OC1OC(COC2OC(CO)C(O)C(O)C2O)C(O)C(O)C1O)c1ccccc1
c. OCCN1CCN(CCCN2c3ccccc3Sc3cc(Cl)cnc32)CC1
d. Cc1ccc(Nc2ccc(Nc3ccc(C)cc3)c3c2C(=O)c2ccccc2C3=O)cc1
e. CCCCCOC(=O)CCC
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}