Using O=Cc1ccccc1, COC(=O)c1ccc(-c2ccc(CCN)cc2)cc1 to produce COC(=O)c1ccc(-c2ccc(CCNCc3ccccc3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.