Using CCn1c(=O)ccc2cnc(F)cc21, Nc1ccc(N2CCCCC2)cc1 to produce CCn1c(=O)ccc2cnc(Nc3ccc(N4CCCCC4)cc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.