Using CCn1ccc2cc(-c3nnn(-c4cccnc4F)c3C)ccc2c1=O to produce CCN1CCc2cc(-c3nnn(-c4cccnc4F)c3C)ccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.