Using O=C(O)c1ccc([C@@H]2C[C@H]2N(CC2CCN(Cc3ccccc3)CC2)C(=O)C(F)(F)F)cc1 to produce O=C(O)c1ccc([C@@H]2C[C@H]2NCC2CCN(Cc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.