Using Nc1cc(F)c(C(=O)O)cc1F, CN1CC[C@@H](N)C1 to produce CN1CC[C@@H](NC(=O)c2cc(F)c(N)cc2F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.