Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) CCOP(=O)(N=C1SCC(C)S1)OCC
b.) Cc1cn(C2C=CC(CO)O2)c(=O)[nH]c1=O
c.) CC1(NC(N)=O)CCCC1
d.) CC(c1ccc(Cl)cc1)c1ccc(Cl)cc1
e.) C=C1C(=O)OC2CC(C)C3C=CC(=O)C3(C)C(O)C12
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}