Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
a. O=S(=O)(Oc1ccc(Cl)cc1Cl)c1ccccc1
b. CCc1cc2c(s1)N(C)C(=O)CN=C2c1ccccc1Cl
c. CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC
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}