Using CCOC(=O)c1cnc(N2CCc3ccccc32)nc1OCc1ccc(OC)cc1 to produce COc1ccc(COc2nc(N3CCc4ccccc43)ncc2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.