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. CN(C)CCCN1c2ccccc2Sc2ccc(Cl)cc21
b. CC(C)NP(O)(=S)Oc1cc(Cl)c(Cl)cc1Cl
c. Cc1cc([N+](=O)[O-])ccc1[N+](=O)[O-]
d. Cc1ccccc1N=C=O
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}