Using O=C(O)C1CCc2nc[nH]c2C1, c1ccc(C2CNc3ccccc32)cc1 to produce O=C(C1CCc2nc[nH]c2C1)N1CC(c2ccccc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.