Using O=c1ccn2cc(C#Cc3ccc(F)cc3F)ccc2c1-c1c(F)cccc1F to produce O=c1ccn2cc(CCc3ccc(F)cc3F)ccc2c1-c1c(F)cccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.