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. CCc1nccnc1C
b. C=CCn1c(=O)c2[nH]c(C)nc2n(CC(C)C)c1=O
c. CCCCCCCCCCCCCCCC(=O)OCC(O)C1OC(=O)C(O)=C1O
d. CNc1nc(Cl)nc(NC(C)C)n1
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}