Using CCOC(=O)c1c(C)ncnc1Nc1cc(OCc2c(OC)ccc(F)c2F)c(OC)cc1Cl to produce COc1cc(Cl)c(Nc2ncnc(C)c2C(=O)O)cc1OCc1c(OC)ccc(F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.