Using O=C1C(=Cc2ccc(-c3ccc(F)cc3)cc2)N2CCC1CC2 to produce O=C1C2CCN(CC2)C1Cc1ccc(-c2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.