Using Cc1cc(C#N)ncc1-c1cc(S(=O)(=O)N2CCCCc3ccccc32)c(O)cc1Cl, OCCCBr to produce Cc1cc(C#N)ncc1-c1cc(S(=O)(=O)N2CCCCc3ccccc32)c(OCCCO)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.