Using COc1ccc(C2CC(OC(C)=O)CCC2N)cc1OC, CCCCOc1ccc(C(=O)O)cc1 to produce CCCCOc1ccc(C(=O)NC2CCC(OC(C)=O)CC2c2ccc(OC)c(OC)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.