Using CN(C)C=O, COc1cc2c(Nc3cccc4c3OCO4)ncnc2cc1OCCBr to produce COc1cc2c(Nc3cccc4c3OCO4)ncnc2cc1OCCN1CCCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.