Using CCOc1ccc(-c2nc(-c3cc(CNC)c(OC)c(C(=O)OC)c3OC)cs2)cc1OCC to produce CCOc1ccc(-c2nc(-c3cc(CNC)c(O)c(C(=O)O)c3)cs2)cc1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.