Using CCOC(=O)c1c(OCc2ccccc2)c2n(c1C(C)=O)CCN(Cc1ccc(F)cc1)C2=O to produce CCOC(=O)c1c(O)c2n(c1C(C)=O)CCN(Cc1ccc(F)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.