Using O=C1CCc2cc(F)cc(F)c2C1, CCC[C@H](N)C(=O)OC to produce CCCC(NC1CCc2cc(F)cc(F)c2C1)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.