Using CCCN, COC(=O)c1ccc(-c2cc(C(=O)O)ccc2C)cc1 to produce CCCNC(=O)c1ccc(C)c(-c2ccc(C(=O)OC)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.