Using O=C(c1ccccc1)c1cccn1CCI, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(CCn1cccc1C(=O)c1ccccc1)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.