Using CCC(OC)(c1cccc(O)c1)c1nccs1, Cn1c(=O)c(CBr)cc2ccccc21 to produce CCC(OC)(c1cccc(OCc2cc3ccccc3n(C)c2=O)c1)c1nccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.