Using CC(C)(C)OC(=O)N1CCNC(=O)C1, Cc1c(C(=O)CBr)ccc(F)c1C#N to produce Cc1c(C(=O)CN2CCN(C(=O)OC(C)(C)C)CC2=O)ccc(F)c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.