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) CCCOC(=O)Nc1ccco1
b) CN1CCN(C2=Nc3ccccc3Sc3ccc(Cl)cc32)CC1
c) C#CCN1C(=O)CN=C(c2ccccc2)c2cc([N+](=O)[O-])ccc21
d) COP(=S)(OC)SCCNC(C)=O
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}