Using CC(=O)OC(C)=O, CC(C)(C)OC(=O)Nc1cccc(CO)n1 to produce CC(=O)OCc1cccc(NC(=O)OC(C)(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.