Using CCCCCCCCCC=CCCCNc1ccccc1C(=O)Cl, CCOC(=O)CC(=O)OCC to produce CCCCCCCCCC=CCCCNc1ccccc1C(=O)C(C(=O)OCC)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.