Using COCOCC1C(Nc2cnn(CC(=O)NCc3ccncc3)c(=O)c2Br)CC2CC1C2(C)C to produce CC1(C)C2CC(Nc3cnn(CC(=O)NCc4ccncc4)c(=O)c3Br)C(CO)C1C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.