Using CCCCCC(CCCN(Cc1cccc(C=CC(=O)OCC)c1)S(C)(=O)=O)OC(C)=O to produce CCCCCC(O)CCCN(Cc1cccc(C=CC(=O)O)c1)S(C)(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.