Using c1ccc(COc2ccc(CCN3CCC(C4Oc5ccccc5Cn5cccc54)CC3)cc2)cc1 to produce Oc1ccc(CCN2CCC(C3Oc4ccccc4Cn4cccc43)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.