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 additional words.
Options:
a CN1CCC2=C(C1)c1ccccc1Cc1ccccc12
b CCCCN(COC(C)=O)N=O
c O=NN(CCCl)C(=O)NCCCl
d COP(=S)(OC)Oc1nc(Cl)c(Cl)cc1Cl
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}