Using COc1ccc(C2=NN(C3CCN(C(=O)c4ccccc4OC(C)=O)CC3)C(=O)C2(C)C)cc1OC to produce COc1ccc(C2=NN(C3CCN(C(=O)c4ccccc4O)CC3)C(=O)C2(C)C)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.