Using CCOC(=O)CN(CC(C)NC(=O)OCc1ccccc1)C(=O)OC(C)(C)C to produce CC1CN(C(=O)OC(C)(C)C)CC(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.