Using CCOC(=O)c1c(SCC(=O)COC(C)=O)nc2c(F)c(F)c(F)cc2c1O to produce CCOC(=O)c1c(=O)c2cc(F)c(F)c(F)c2n2c(CO)csc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.