Using C1COCCN1, Cc1c(-c2ccccc2)on(CC(O)CCl)c1=O to produce Cc1c(-c2ccccc2)on(CC(O)CN2CCOCC2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.