Using O=C1COC(CN2c3ccccc3CCc3ccccc32)CN1Cc1ccccc1 to produce c1ccc(CN2CCOC(CN3c4ccccc4CCc4ccccc43)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.