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. Cc1cc(Cl)ccc1NC(=S)N(C)C
b. CNC(=O)Oc1ccc(CC#N)cc1
c. CCCCNS(=O)(=O)c1ccccc1
d. CCN(CC)CCOCc1cc(Br)ccc1OC
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}