Using CCOC(=O)CBr, CC(=NC#N)N[C@@H]1c2cc(C#N)ccc2OC(C)(C)[C@H]1OS(C)(=O)=O to produce CCOC(=O)CN(C1=CC(C)(C)Oc2ccc(C#N)cc21)C(C)=NC#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.