Using N#CBr, c1cc(-n2cnnn2)ccc1OCc1csc(C2CCNCC2)n1 to produce N#CN1CCC(c2nc(COc3ccc(-n4cnnn4)cc3)cs2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.