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 additional words.
Options:
(a) O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
(b) COc1nc(C)nc(NC(=O)NS(=O)(=O)c2ccccc2Cl)n1
(c) CN(C)c1ccc(C(=N)c2ccc(N(C)C)cc2)cc1
(d) CCSc1nc(NC(C)C)nc(NC(C)C)n1
(e) CC(=O)C1(O)CCC(c2ccccc2)CC1
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}