Using CCCCNC(=O)CCCCC(C)=O, CC(CCC(=O)O)NCC(O)COc1cccc2ccccc12 to produce CCCCNC(=O)CCCCC(C)NCC(O)COc1cccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.