Using O=S(=O)(O)O, COCC1CN(c2ccc(C3CCCCC3)c(N)c2)C(=O)O1 to produce COCC1CN(c2ccc(C3CCCCC3)c(O)c2)C(=O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.