Using COc1ccc(N(NC(N)=O)C(=O)c2ccc(OC)nc2)cc1 to produce COc1ccc(-n2nc(O)nc2-c2ccc(OC)nc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.