Using O=C(COc1cccc([C@@H](NC(=O)O[C@H]2CN3CCC2CC3)c2ccccc2)c1)Nc1cccc(CO)c1 to produce O=Cc1cccc(NC(=O)COc2cccc([C@@H](NC(=O)O[C@H]3CN4CCC3CC4)c3ccccc3)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.