Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a N#CCN1CCOCC1
b O=[N+]([O-])c1ccc(Sc2ccc([N+](=O)[O-])cc2)cc1
c COP(=S)(OC)SCC(=O)O
d Fc1c(Br)c(Cl)c2nc(C(F)(F)F)[nH]c2c1Br
e N#CSCSc1nc2ccccc2s1
Answer: c
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}