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 other words.
Options:
[a] C1CN(SSSSN2CCOCC2)CCO1
[b] C=CCOC(=O)c1ccccc1C(=O)OCC=C
[c] CCOC(=O)c1ccc([N+](=O)[O-])cc1
[d] NC(=O)OCC(O)COc1ccc(Cl)cc1
Answer: c
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}