Using CCOc1nc(C(=O)OC)c(-n2c(C)ccc2C)cc1C(F)(F)F to produce CCOc1nc(C(=O)O)c(-n2c(C)ccc2C)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.