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 other words.
Options:
(a) O=[N+]([O-])c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1
(b) O=[N+]([O-])c1cccc(Cl)c1
(c) CCOC(=O)C1=CC2(CC)CCCN3CCc4c(n1c1ccccc41)C32
(d) Cc1ccc(CN(C)N=O)cc1
(e) CCOP(=S)(OCC)SCc1nnc(OC)s1
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}