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 other words.
Options:
a Nc1cc2c(cc1C1CCCCC1)CCC2C(=O)O
b CCc1oc2ccccc2c1C(=O)c1cc(Br)c(O)c(Br)c1
c O=[N+]([O-])c1cncn1CCN1CCOCC1
d OCC1CCc2cc(C3CCCCC3)ccc21
e CC(=O)Oc1c(Br)cc(Cl)cc1C(=S)Nc1ccc(Br)cc1
Answer: d
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}