Using COCCOc1cccc2ccc(CC(CBr)C(C)C)cc12, CCOC1=NCC(OCC)=NC1 to produce CCOC1=NC(CC(Cc2ccc3cccc(OCCOC)c3c2)C(C)C)C(OCC)=NC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.