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(Cn1c(=O)sc2ccc(Cl)cc21)N1CCNCC1
b. CCOC(C1=NCC(O)CN1)c1ccccc1
c. Cc1ccc(N)cc1O
d. CCCCCCOc1ccc(NNC=O)cc1
e. Cc1ccccc1N
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}