Using C#CCCC, O=C(CC1(c2cc(C(F)(F)F)ccc2F)CC1)C(=O)Nc1ccc2c(c1)COC2=O to produce CCCC#CC(O)(CC1(c2cc(C(F)(F)F)ccc2F)CC1)C(=O)Nc1ccc2c(c1)COC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.