Using CCOCC, C=CCSP(=O)(CN(C(=O)OCc1ccccc1)C(CCOCC)C(=O)O)SCC=C to produce C=CCSP(=O)(CN(CCOCC)CC(=O)O)SCC=C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.