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 other words.
Options:
a: CCCCC(=O)OCC(=O)C1(O)C(C)CC2C3CCC4=CC(=O)C=CC4(C)C3(F)C(O)CC21C
b: O=[N+]([O-])c1cc(Cl)c(N=Nc2ccc(N3CCS(=O)(=O)CC3)cc2)c(Cl)c1
c: CCCCC(CC)CN
d: CNC(=O)ON=CC(C)(C)SC
e: C=CC1OCC(C)O1
Answer: c
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}