Using ClCc1cccnc1, Cc1cn2c3ccc(Br)cc3c3cc(O)cc(c1=O)c32 to produce Cc1cn2c3ccc(Br)cc3c3cc(OCc4cccnc4)cc(c1=O)c32, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.