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 other words.
Options:
a) O=C(O)C=Cc1ccccc1
b) CC(Oc1cc(Cl)c(Cl)cc1Cl)C(=O)O
c) O=C(Cl)Oc1cccc2ccccc12
d) CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCC
e) COc1ccc(C)cc1
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}