Using CC(C)c1ccc(O)c(C(C)C)c1NC(=O)CN1CCN(CCCO)CC1, CCOCCBr to produce CCOCCOc1ccc(C(C)C)c(NC(=O)CN2CCN(CCCO)CC2)c1C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.