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) OC1CCN(c2ccc(-c3ccc(Cl)cc3Cl)nn2)CC1
b) O=C(Cl)C1C2C=CC(C2)C1C(=O)Cl
c) O=[N+]([O-])c1cc[n+]([O-])cc1
d) CCOc1ccc2c3c1OC1C(O)C=CC4C(C2)N(C)CCC341
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}