Using N[C@@H](CC1CCCCC1)C(=O)O, O=C(Cl)OCc1ccccc1 to produce O=C(N[C@@H](CC1CCCCC1)C(=O)O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.