Using O=C(CCC1CC1)N1C(=O)OC[C@@H]1Cc1ccccc1, CC(=O)Cl to produce CC(=O)[C@@H](CC1CC1)C(=O)N1C(=O)OC[C@@H]1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.