Using O=C1CCOCC1, CCOC(=O)c1cc(OCc2ccccc2)c(F)cc1N to produce CCOC(=O)c1cc(OCc2ccccc2)c(F)cc1NC1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.