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, d, or e without using any other words.
Options:
a. COP(=S)(OC)SCSc1cccc(Cl)c1Cl
b. CCN(C(=O)N(CC)c1ccccc1)c1ccccc1
c. COC(=O)c1ccccc1
d. O=c1[nH]c2cc(Cl)c(Cl)cc2o1
e. O=CC(Br)=Cc1ccccc1
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}