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, d, or e without using any additional words.
Options:
a.) Nc1ccc([N+](=O)[O-])c(N)c1
b.) C=CCOc1ccccc1C(=O)NCCO
c.) OC(CCN1CCCCC1)(c1ccccc1)C1CC2C=CC1C2
d.) CCN(CCC(=O)OC)c1ccccc1
e.) COc1ccc(CCNCC(O)c2ccc(O)cc2)cc1OC
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}