Using NCC(O)c1ccc(O)cc1, CC(=O)Cc1ccc(OCc2cc(=O)c(O)co2)cc1 to produce CC(Cc1ccc(OCc2cc(=O)c(O)co2)cc1)NCC(O)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.