Using O=C(O)c1cccc(CN2CCOCC2)c1, NCC(O)CN1CCc2ccccc2C1 to produce O=C(NCC(O)CN1CCc2ccccc2C1)c1cccc(CN2CCOCC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.