Using CCCCOC(=O)N1C[C@@H](O)C[C@H]1C(=O)OC, Oc1cccc(Cl)c1 to produce CCCCOC(=O)N1C[C@H](Oc2cccc(Cl)c2)C[C@H]1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.