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) FC(F)(F)c1nc2c(Cl)cccc2[nH]1
b) c1coc(COCc2ccco2)c1
c) NC(=O)C1CCN(CCCN2c3ccccc3Sc3ccc(Cl)cc32)CC1
d) C=CC#CC(C)(C)O
e) CCOC(=O)c1cc2c(ccc3ccccc32)oc1=O
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}