Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a COP(=O)(OC)OC(C)=CC(=O)N(C)C
b C=CC(=O)OCCCOCC
c Cn1c([N+](=O)[O-])cnc1C=Cc1ccnc(N)n1
d CN(N=O)C1CCCCC1
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}