Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a: CCN(CC)c1ccc(C=O)cc1
b: Nc1cccc2c(Cl)ccc(Cl)c12
c: Cc1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
d: NC1=NC(=O)C(c2ccccc2)O1
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}