Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
[a] CCCCN(N=O)c1ccc(N(CCCC)N=O)cc1
[b] O=C1c2ccccc2-c2c([N+](=O)[O-])cc3c4cc([N+](=O)[O-])c5c6c(ccc(c7ccc1c2c73)c64)C(=O)c1ccccc1-5
[c] CCCCCOc1c(Br)cc(Br)cc1COCCN(CC)CC
[d] COP(=S)(OC)SCSc1cccc(Cl)c1
Answer: d
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}