Using CCOC(=O)N(CC(OCC)OCC)c1ccc(Cl)cc1, NCCc1ccc(O)c(O)c1 to produce CCOC(=O)N(CC1NCCc2cc(O)c(O)cc21)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.