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=c1[nH]cnc2c1ncn2C1OC(COP(=O)(O)O)C(O)C1O
[b] CC(C)(N=C=O)c1cccc(C(C)(C)N=C=O)c1
[c] CC(C(=O)Nc1cc(-c2ccccc2)nn1-c1ccccc1)N(C)C
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}