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 other words.
Options:
a) O=[N+]([O-])C(Cl)(Cl)Cl
b) CCNC(=O)Nc1ncc([N+](=O)[O-])s1
c) C=CC(=O)OCCOCCOCCOCCOC(=O)C=C
d) CCCCN(CCN(CCCC)C(=O)N1CCOCC1)C(=O)N1CCOCC1
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}