Using N#Cc1cnn2c(Cl)c(-c3ccc(OCc4ccccc4)cc3)cnc12, C1COCCN1 to produce N#Cc1cnn2c(N3CCOCC3)c(-c3ccc(OCc4ccccc4)cc3)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.