Using O=C(Nc1ccc(-c2cnc(OC3CN4CCC3CC4)cn2)cc1)OCc1ccccc1 to produce Nc1ccc(-c2cnc(OC3CN4CCC3CC4)cn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.