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) CCN(CC)N=O
(b) COP(N)(=O)SC
(c) CCOP(=O)(OCC)OC(=CC(=O)OC)CC(=O)OC
(d) CCCCCCCCCCCO
(e) CN(C)c1ccc(-c2nc(=O)n(C)nc2-c2ccc(N(C)C)cc2)cc1
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}