Using CC1CN(Cc2ccccc2)CCC1(O)c1cc(F)c(F)c2ccoc12 to produce CC1CN(Cc2ccccc2)CC=C1c1cc(F)c(F)c2ccoc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.