Using CCOC(=O)c1ccc(N(CC)C(=O)c2sccc2OCc2ccccc2)cc1 to produce CCOC(=O)c1ccc(N(CC)Cc2sccc2OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.