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, d, or e without using any additional words.
Options:
[a] FC(F)(F)c1nc2c(Br)c(Br)c(Br)cc2[nH]1
[b] CN1CCN(CC(=O)NN=Cc2ccc([N+](=O)[O-])o2)CC1
[c] CC1(C)NC(=O)N(c2ccc([N+](=O)[O-])c(C(F)(F)F)c2)C1=O
[d] CCCN(COC(C)=O)N=O
[e] CCCCCCCCCC(=O)OCCOCCOCCOC(=O)CCCCCCCCC
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}