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