Using COCCOCCOc1ccc(C2=NC(C)(C(=O)OC)CN2)c(O)c1 to produce COCCOCCOc1ccc(C2=NC(C)(C(=O)O)CN2)c(O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.