Using CC1(C)N=C(c2cnc3ccccc3c2)c2cccc(F)c2C1=O to produce CC1(C)N=C(c2cnc3ccccc3c2)c2cccc(F)c2C1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.