Using CCOC(=O)CC1CCc2c(sc3ncnc(Nc4ccc(OCc5cccc(F)c5)c(Cl)c4)c23)C1 to produce OCCC1CCc2c(sc3ncnc(Nc4ccc(OCc5cccc(F)c5)c(Cl)c4)c23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.