Using CC(=O)Nc1ccc(NCC2CCOCC2)c(N)c1, CC(F)(F)C(=O)O to produce CC(=O)Nc1ccc2c(c1)nc(C(C)(F)F)n2CC1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.