Using O=C(O)C(F)(F)F, Cc1c(O)cc2c(c1C)OC(C)(C)CC2 to produce Cc1c(C)c2c(c(C=O)c1O)CCC(C)(C)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.