Using C[C@@H]1CNC[C@H](C)N1, CC(C)(C)OC(=O)n1ccc(CBr)n1 to produce C[C@@H]1CN(Cc2ccn(C(=O)OC(C)(C)C)n2)C[C@H](C)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.