Using O=C(O)c1cc(Cl)c(F)cc1F, OC1C2CC3CC1CC(Cl)(C3)C2 to produce O=C(O)c1cc(Cl)c(OC2C3CC4CC2CC(Cl)(C4)C3)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.