Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a: CNC(=O)Oc1cccc2c1OC(C)(C)O2
b: ClCCN(CCCl)CCCl
c: OCCNC1CCCCC1
d: CCS(=O)(=O)CCn1c([N+](=O)[O-])cnc1C
e: CCN(CC)CC
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}