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, or d without using any other words.
Options:
[a] O=C=NC1CCC(CC2CCC(N=C=O)CC2)CC1
[b] CCOC(=O)c1c[n+](CC)c2n(c1=O)C(C)CCC2
[c] CN1CCN(CCC(=O)NN=Cc2ccc([N+](=O)[O-])o2)CC1
[d] CCC(=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
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}