Using Nc1ccc(CC(O)c2ccccc2C(=O)O)cc1 to produce O=C(O)c1ccccc1C(O)Cc1ccc(N(Cc2ccccc2)Cc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.