Using CC(C)(C)OC(=O)N1CCn2c(Br)nnc2C1, c1cn[nH]c1 to produce CC(C)(C)OC(=O)N1CCn2c(nnc2-n2cccn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.