Using CCCCCC, CCOC(=O)C1(C)CCC(Nc2ncc(Br)cn2)CC1 to produce CCOC(=O)C1(C)CCC(N(C)c2ncc(Br)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.