Using Nc1ccc(F)c(Cl)c1, Clc1ncnc2ccc(-n3ccnc3)cc12 to produce Fc1ccc(Nc2ncnc3ccc(-n4ccnc4)cc23)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.