Using Nc1cnc2ccccc2c1, Clc1ncnc2c1CCN(Cc1ccccc1)C2 to produce c1ccc(CN2CCc3c(ncnc3Nc3cnc4ccccc4c3)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.