Using O=Cc1ccccc1, CNC(=O)C(CCCN(C)C)c1ccccc1 to produce CNC(=O)C(CCCN(C)C)(c1ccccc1)C(O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.