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, d, or e without using any other words.
Options:
a: O=C1CSc2ncccc2N1
b: ON=C1C=CC(=NO)C=C1
c: CC(=O)Nc1ccc(S(=O)(=O)Nc2cc(C)on2)cc1
d: S=C1NCCNC(=S)S1
e: CCNc1nc(NC(C)C(C)C)nc(SC)n1
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}