Using O=C1CCOCC1, Cc1c(N)cccc1C(=O)NCC(O)CN1CCc2ccccc2C1 to produce Cc1c(NC2CCOCC2)cccc1C(=O)NCC(O)CN1CCc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.