Using O=C(NC1CCNCC1)c1ccc(F)cc1, O=C(O)C1CC1 to produce O=C(NC1CCN(C(=O)C2CC2)CC1)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.