Using CCOC(=O)c1cc(OCc2ccccc2)c(F)cc1NC1CCOCC1 to produce O=C(O)c1cc(OCc2ccccc2)c(F)cc1NC1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.