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, or d without using any other words.
Options:
[a] Cc1ccc(CNC2=NCCS2)cc1
[b] CCC=C(C)C=O
[c] Cc1cc2[nH]c(C(F)(F)F)nc2c([N+](=O)[O-])c1C
[d] CCOCOC(=O)c1ccccc1Nc1c(Cl)ccc(C)c1Cl
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}