Using BrCc1ccccc1, CSc1nc2cnn(Cc3cccc4ccccc34)c(=O)c2[nH]1 to produce CSc1nc2cnn(Cc3cccc4ccccc34)c(=O)c2n1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.