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 additional words.
Options:
a COP(=S)(OC)SCCSc1ccc(Cl)cc1
b CSCC(=O)N(C)C(=O)Oc1ccccc1OC(C)C
c CCc1cccc(CC)c1N
d O=S(=O)(O)c1ccccc1
Answer: d
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}