Using C1CC2COCC1N2, Oc1cccc(-c2nc(Br)c3cnn(-c4ccccc4)c3n2)c1 to produce Oc1cccc(-c2nc(N3C4CCC3COC4)c3cnn(-c4ccccc4)c3n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.