Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CCCCOC(=O)CC(C)=O
b) CCCCN(CCCC)N=O
c) CNC(=O)Oc1ccccc1C1OC(C)C(C)O1
d) O=C1CCC(N2C(=O)c3ccccc3C2=O)C(=O)N1
e) c1ccc(Sc2ccccc2)cc1
Answer: c, d
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}