Using COC(=O)c1cccc(-c2nc([C@H]3CCCCN3C(=O)COc3ccccc3)cs2)c1 to produce O=C(O)c1cccc(-c2nc([C@H]3CCCCN3C(=O)COc3ccccc3)cs2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.