Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
a CCCCNC(=O)NS(=O)(=O)c1ccc(N)cc1
b CCP(=S)(OC)Sc1ccc(Cl)c(C)c1
c CC(C)CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCCCCC(C)C
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}