Using CCOC(=O)CCc1cc(C(=O)CCCC(=O)O)ccc1OC, c1ccncc1 to produce CCOC(=O)CCCC(=O)c1ccc(O)c(CCC(=O)OCC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.