Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. CCOC(=S)C=Cc1ccc(OC)c(OC)c1
b. COc1ccccc1C=Nc1ccccc1C(=O)O
c. CNC(=O)Oc1ccc(SC)c(C)c1
d. O=[N+]([O-])c1ccc(Oc2c(F)cc(Cl)cc2Cl)cc1
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}