Using CC(=O)O, O=C(NCC(O)CN1CCc2ccccc2C1)c1cccc(NC2CCOCC2)c1 to produce CN(c1cccc(C(=O)NCC(O)CN2CCc3ccccc3C2)c1)C1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.