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 additional words.
Options:
(a) CN1CCN(C2=Nc3ccccc3Oc3ccc(Cl)cc32)CC1
(b) CCNc1nc(Cl)nc(NC(C)C)n1
(c) CCOC(=O)C1CC2C=CC1C2
(d) O=C1C2C3C=C(C(O)(c4ccccc4)c4ccccn4)C(C3=C(c3ccccc3)c3ccccn3)C2C(=O)N1Cc1ccccn1
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}