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 other words.
Options:
a. O=C1CCc2cc(C(O)CCCN3CCN(c4cccc(Cl)c4)CC3)ccc2N1
b. O=C1CCc2cc(C=CCN3CCN(c4cccc(Cl)c4)CC3)ccc2N1
c. CSCCC=O
d. C=C1C(=CC=C2CCCC3(C)C2CCC3C(C)CCC(O)C(C)C)CC(O)CC1O
e. O=NN1CCCC1
Answer: c
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}