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: Cn1c(=O)c2c(ncn2CC(=O)O)n(C)c1=O
b: CSc1nnc(C(C)(C)C)c(=O)n1N
c: CN1Cc2ccccc2C(=O)c2cc(CC(=O)O)ccc21
d: O=C(COc1ccc(Cc2ccc(Cl)cc2)cc1)OCc1cccnc1
Answer: a
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}