Using COc1ccc(Cn2c(=O)n3ncnc3c3ccc(C(OC)OC)nc32)cc1 to produce COc1ccc(Cn2c(=O)n3ncnc3c3ccc(C=O)nc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.