Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) CN(C)c1ccncc1
b) C1CCc2c(OCCN3CCOCC3)n[nH]c2C1
c) CCCCC[Si](OCC)(OCC)OCC
d) CC(C)=CCCC(C)CC(=O)O
e) OCC(O)C(O)C(O)C(O)CO
Answer: e
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}