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, d, or e without using any additional words.
Options:
a: O=[N+]([O-])c1c(Cl)ccc2[nH]c(C(F)(F)F)nc12
b: CNCCC=C1c2ccccc2CCc2sccc21
c: CCOC(=O)N(C)SN(C)C(=O)ON=C(C)SC
d: O=C1CCC2CCCCC2O1
e: C=COC(=O)CCCCCCC
Answer: b
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}