Using COC(=O)CCc1ccc(Oc2ncnc3oc(-c4ccccc4)c(-c4ccc(OC)cc4)c23)cc1 to produce COc1ccc(-c2c(-c3ccccc3)oc3ncnc(Oc4ccc(CCC(=O)O)cc4)c23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.