Using CCc1nn(Cc2cn[nH]c2)c2cccc(NC(=O)c3cnc4ccccn34)c12, CCBr to produce CCc1nn(Cc2cnn(CC)c2)c2cccc(NC(=O)c3cnc4ccccn34)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.