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, or c without using any other words.
Options:
(a) CCN(CC)CCSC(=O)N(c1ccccc1)c1ccccc1
(b) CNC(=O)N1C(=O)CN=C(c2ccccc2)c2cc([N+](=O)[O-])ccc21
(c) O=[N+]([O-])c1ccc(O)c(N=Nc2c(S(=O)(=O)O)cc3cc(S(=O)(=O)O)cc(Nc4nc(Cl)nc(Cl)n4)c3c2O)c1
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}