Using Cc1cccc(CC(=O)O)c1, O=C1CCC(c2ccccc2)(c2ccccc2)C2CNCC12 to produce Cc1cccc(CC(=O)N2CC3C(=O)CCC(c4ccccc4)(c4ccccc4)C3C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.