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) O=Cc1ccccc1C(=O)O
b) COP(=S)(OC)Oc1ccc(S(C)(=O)=O)c(C)c1
c) CCOP(=S)(CC)Sc1ccc(C)cc1
d) COP(=S)(OC)Oc1cc(C)c(Cl)cc1C(C)C
Answer: a
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}