Using O=C(O)CCCCC(=O)NCCc1ccccc1, COc1ccc2c(c1OC)CCC(N)C2 to produce COc1ccc2c(c1OC)CCC(NC(=O)CCCCC(=O)NCCc1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.