Using CCOC(=O)Cl, Nc1ccc(C(=O)C[N+]23CCC(CC2)[C@@H](OC(=O)[C@H](Nc2ccccc2)c2ccccc2)C3)cc1 to produce CCOC(=O)Nc1ccc(C(=O)C[N+]23CCC(CC2)[C@@H](OC(=O)[C@H](Nc2ccccc2)c2ccccc2)C3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.