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, or c without using any other words.
Options:
a O=C=Nc1ccc(Cc2ccc(N=C=O)cc2N=C=O)cc1
b CCOC(=O)c1cnc2cc(OCC3CC3)c(OCC3CC3)cc2c1O
c COCc1ccc(COC(=O)C2C(C=C(C)C)C2(C)C)cc1
Answer: b
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}