Using CCOC(=O)C1CC2(C)C(C)CC1N(Cc1ccccc1)C2C, CCOC(=O)Cl to produce CCOC(=O)C1(C(=O)OCC)CC2(C)C(C)CC1N(Cc1ccccc1)C2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.