Using CC(C)(C)OC(=O)CBr, NC(=O)c1n[nH]c2ccccc12 to produce CC(C)(C)OC(=O)Cn1nc(C(N)=O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.