Using CC(C)OC(=O)OCI, CC(C)(COS(=O)(=O)CCCCl)[C@@H](OCc1ccccc1)C(=O)O to produce CC(C)OC(=O)OCOC(=O)[C@H](OCc1ccccc1)C(C)(C)COS(=O)(=O)CCCCl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.