Using CCOC(=O)CBr, COc1ccc(-c2cc(=Nc3c(C)cc(C)cc3C)n(C)c(=O)[nH]2)cc1OC to produce CCOC(=O)Cn1c(-c2ccc(OC)c(OC)c2)cc(=Nc2c(C)cc(C)cc2C)n(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.