Using COCCBr, COc1cccc([C@H](C)NC(=O)Nc2nc3nccc(-c4ccc(O)cc4)n3n2)c1 to produce COCCOc1ccc(-c2ccnc3nc(NC(=O)N[C@@H](C)c4cccc(OC)c4)nn23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.