Using COc1cc2c(Nc3cc(OC(C)=O)c(Cl)cc3F)ncnc2cc1O, COCCO to produce COCCOc1cc2ncnc(Nc3cc(OC(C)=O)c(Cl)cc3F)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.