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) Cc1cccc2[nH]nnc12
b) CNC(=S)NNc1cc(C(F)(F)F)cc(C(F)(F)F)c1
c) COCC(=O)N(c1c(C)cccc1C)C(C)C(=O)OC
d) CN1CCC23CCCCC2C1Cc1ccc(O)cc13
Answer: b
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}