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) COCCCNc1nc(NCCCOC)nc(SC)n1
b) CCC(O)(c1ccccc1)c1cccc(C(F)(F)F)c1
c) CCP(=S)(OC)SCn1c(=O)oc2cc(Cl)cnc21
d) Cc1ccccc1C(C)c1ccccc1
e) CN1C2CCC1CC(OC(=O)C(CO)c1ccccc1)C2
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}