Using CC#N, CC(C)(C)OC(=O)N1CCN(c2cccc(-c3nn(C4CCCCO4)c4cnc(Br)cc34)n2)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2cccc(-c3nn(C4CCCCO4)c4cnc(CC#N)cc34)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.