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 O=C(O)CCC1(CCC(=O)O)c2ccccc2-c2ccccc21
b NC1CC1
c CC(=O)Nc1ccc(-c2ccc(N)cc2)cc1
d CCS(=O)(=O)Oc1ccc2c(c1)C(C)(C)CO2
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}