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] O=C(O)c1cccc(C(=O)O)c1
[b] CCOP(=S)(Oc1c(OC)cnn(C)c1=O)OC(C)C
[c] COP(=S)(OC)SCn1nc(Br)ccc1=O
[d] c1ccc2c(c1)Sc1ccccc1N2CC1CN2CCC1CC2
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}