Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
a.) C=C(Cl)COP(C)(=S)Oc1ccc([N+](=O)[O-])cc1
b.) O=C(Cc1c[nH]c2ccccc12)NN1C(=O)CSC1=S
c.) CN(N=O)c1ccc(C=O)cc1
d.) CCOP(=S)(OCC)Oc1ccc(N)cc1
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}