Using Cc1cc(C#Cc2ccc(-c3ccc(Cl)cc3)cn2)ccc1OCCNC1CCCC1, OCCBr to produce Cc1cc(C#Cc2ccc(-c3ccc(Cl)cc3)cn2)ccc1OCCN(CCO)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.