User: I have a question about the molecule with SMILES CCCCC(CC)COC(=O)CC(C(=O)OCC(CC)CCCC)S(=O)(=O)O.
Assistant: That sounds interesting, how can I help?
User: How many rotatable bonds does this compound have?
Assistant: The answer is 16
User: I have a question about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
CCCCC(CC)COC(=O)CC(C(=O)OCC(CC)CCCC)S(=O)(=O)O
CCCCC(CC)COC(=O)CC(C(=O)OCC(CC)CCCC)S(=O)(=O)O
1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonic acid
How many rotatable bonds does this compound have?