Using CCNc1ccc(F)c(F)c1OC, CCOC=C(C(=O)OCC)C(=O)OCC to produce CCOC(=O)c1cn(CC)c2c(OC)c(F)c(F)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.