Using COc1cc(N)c(Cl)cc1C(=O)O, OCC12CCCN(CCC1)C2 to produce COc1cc(N)c(Cl)cc1C(=O)OCC12CCCN(CCC1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.