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] CC=NN(C)C=O
[b] FCCBr
[c] C=CCNc1nc(NCC=C)nc(N(CCCCCCN(c2nc(NCC=C)nc(NCC=C)n2)C2CC(C)(C)NC(C)(C)C2)C2CC(C)(C)NC(C)(C)C2)n1
[d] CC=CC=CCOC(C)=O
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}