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. OCCN(CCO)C1CCCCC1
b. CNS(=O)(=O)CCNC(=O)N(CCCl)N=O
c. CC(C)CCCC1CCC(C)(C(=O)NCC(=O)O)CC1
d. CCCCC(CC)OCCOCCO
e. CCN(C(=O)c1cc(Cl)nc(Cl)c1)C1CC1
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}