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 other words.
Options:
a: Clc1cn[nH]c1
b: CCCSP(=O)(OCC)Oc1cnn(-c2ccc(Cl)cc2)c1
c: O=C(O)CC(O)c1ccc(-c2ccc(Cl)cc2)o1
d: O=C(CCCCC(=O)OCC1CCC2OC2C1)OCC1CCC2OC2C1
Answer: d
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}