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, c, or d without using any other words.
Options:
a) CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC
b) C#CCC1=C(C)C(OC(=O)C2C(C=C(C)C)C2(C)C)CC1=O
c) O=c1[nH]c(=O)c2ccccc2o1
d) OCC(O)CO
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}